Search

Sweet, stylish, and perfect for sunny days, this  KatieJ NYC tween girls light blue smocked dress is the ultimate boutique outfit for spring and summer. Designed with a stretchy smocked bodice, oversized bow tie shoulder straps, and a layered ruffle skirt, this dress combines comfort with the trendy feminine style tween girls love right now.

The soft blue pinstripe fabric gives this dress a coastal chic and preppy aesthetic that’s perfect for vacations, birthday parties, brunch, beach photos, and everyday boutique fashion. The stretchy smocked top provides a comfortable flexible fit while the flouncy tiered skirt creates beautiful movement and a playful silhouette.

Easy to dress up with sandals or wear casually with sneakers, this versatile tween dress is a must-have for warm weather wardrobes.

Features:

• Tween girls smocked mini dress
• Oversized bow tie shoulder straps
• Stretchy smocked bodice for comfort
• Tiered ruffle skirt detail
• Soft lightweight textured fabric
• Light blue pinstripe design
• Trendy boutique spring and summer style

Melina is always a KatieJ fan girl favorite. It has removable straps so it can be worn with or without straps. We love the lace trimming on this beautiful floral print and the smocked bodice gives it a flexible fit for every body type. 

Top-selling silhouettes like the Emerson dressand Lainey dress offer flattering fits for different body types, making them favorites among tween girls and moms alike. Perfect for spring parties, family photos, Easter, vacations, and everyday wear, these floral dresses combine romantic charm with modern ease.

Available across multiple silhouettes including the best-selling Emerson and Lainey dresses, plus coordinating tops, skirts, and shorts, this versatile print allows every tween to find her perfect fit. Pair it with solid pink separates for endless outfit combinations. With floral prints trending strong again this season, this KatieJ collection is a spring staple for every tween wardrobe.

🌸 KATIEJ TWEEN FLORAL BOUQUET DITSY LAINEY DRESS

The KatieJ  lainey dresses are a standout choice for spring and summer. Featuring delicate print in soft tones, these tween dresses channel a cottagecore asthetic look while remaining comfortable, wearable, and age-appropriate. And Lainey is such a sweet style that it is perfect for this pretty fabric. The KatieJ Lainey dress features a smocked bodice with puff sleeves, a sweet slight ruffle at the waistline trim and a double ruffled skirting. Lainey is always a top seller as it has a great fit for all body types.  Perfect for spring parties, family photos, Easter, vacations, and everyday wear, these floral dresses combine romantic charm with modern ease.

Available across multiple silhouettes including the best-selling Emerson and Lainey dresses, plus coordinating tops, skirts, and shorts, this versatile print allows every tween to find her perfect fit. Pair it with solid pink separates for endless outfit combinations. With floral prints trending strong again this season, this KatieJ collection is a spring staple for every tween wardrobe.

🌸 KATIEJ BABY PINK COTTAGE STRIPE EMERSON DRESS

The KatieJ Baby Pink Cottage Stripe dresses are a standout choice for spring and summer. Featuring delicate floral striping in soft pink tones, these tween dresses channel a cottagecore asthetic look while remaining comfortable, wearable, and age-appropriate.

Top-selling silhouettes like the Emerson dressand Lainey dress offer flattering fits for different body types, making them favorites among tween girls and moms alike. Perfect for spring parties, family photos, Easter, vacations, and everyday wear, these floral dresses combine romantic charm with modern ease.

KatieJ’s Baby Pink Cottage Stripe is the definition of effortless spring style for tween girls. This soft pink floral stripe blends a shabby chic, cottagecore aesthetic with KatieJ’s signature modern fits—perfect for school days, weekend outings, and spring celebrations.

Available across multiple silhouettes including the best-selling Emerson and Lainey dresses, plus coordinating tops, skirts, and shorts, this versatile print allows every tween to find her perfect fit. Pair it with solid pink separates for endless outfit combinations. With floral prints trending strong again this season, this KatieJ collection is a spring staple for every tween wardrobe.

Every KatieJ girls favorite- the Emerson in all new prints for 2026. This tween dress is easy to style for everyday looks or dress it up for a night out. This print is so on trend with its shabby chic vibes. Such a pretty print for spring.  KatieJ NYC emerson dress is always a top seller with our tween girls. Its loaded with style and has such a great fit. Its one of those styles that our tween shoppers love and mom and dads approve too.  The bodice is smocked so fits flexible and snug for great coverage. It has a bow tie shoulder, where the straps are fully sewn so even if the bow comes undone the dress is not going to slip down.  The bottom features ruffle details and is as sweet as the girls who wear it. 

• PRODUCT FEATURES:

  • Smocked throughout with lots of stretch for a perfect fit.
  • Ruffled bottom
  • Shoulder ties 

Every KatieJ girls favorite- the Emerson in all new prints for 2026. This is one of my favorite prints for spring. The pink rose print is so incredibly sweet and is so on trend with the floral vibes this year. This tween dress is easy to style for everyday looks or dress it up for a night out.  KatieJ NYC emerson dress is always a top seller with our tween girls. Its loaded with style and has such a great fit. Its one of those styles that our tween shoppers love and mom and dads approve too.  The bodice is smocked so fits flexible and snug for great coverage. It has a bow tie shoulder, where the straps are fully sewn so even if the bow comes undone the dress is not going to slip down.  The bottom features ruffle details and is as sweet as the girls who wear it. KatieJ boutique clothing tends to go fast in our shop, so if you love this- grab it now! 

• PRODUCT FEATURES:

  • Smocked throughout with lots of stretch for a perfect fit.
  • Ruffled bottom
  • Shoulder ties 

🌸 KATIEJ BABY PINK COTTAGE STRIPE MELINA DRESS

Melina is always a KatieJ fan girl favorite. It has removable straps so it can be worn with or without straps. We love the lace trimming on this beautiful floral print and the smocked bodice gives it a flexible fit for every body type. The KatieJ Baby Pink Cottage Stripe dresses are a standout choice for spring and summer. Featuring delicate floral striping in soft pink tones, these tween dresses channel a cottagecore asthetic look while remaining comfortable, wearable, and age-appropriate.

Top-selling silhouettes like the Emerson dressand Lainey dress offer flattering fits for different body types, making them favorites among tween girls and moms alike. Perfect for spring parties, family photos, Easter, vacations, and everyday wear, these floral dresses combine romantic charm with modern ease.

KatieJ’s Baby Pink Cottage Stripe is the definition of effortless spring style for tween girls. This soft pink floral stripe blends a shabby chic, cottagecore aesthetic with KatieJ’s signature modern fits—perfect for school days, weekend outings, and spring celebrations.

Available across multiple silhouettes including the best-selling Emerson and Lainey dresses, plus coordinating tops, skirts, and shorts, this versatile print allows every tween to find her perfect fit. Pair it with solid pink separates for endless outfit combinations. With floral prints trending strong again this season, this KatieJ collection is a spring staple for every tween wardrobe.

🌸 KATIEJ TWEEN BLUSH ROSE DITSY LAINEY DRESS

The KatieJ  blush rose ditsy dresses are a standout choice for spring and summer. Featuring delicate print in soft pink tones, these tween dresses channel a cottagecore asthetic look while remaining comfortable, wearable, and age-appropriate. And Lainey is such a sweet style that it is perfect for this pretty fabric. The KatieJ Lainey dress features a smocked bodice with puff sleeves, a sweet slight ruffle at the waistline trim and a double ruffled skirting. Lainey is always a top seller as it has a great fit for all body types.  Perfect for spring parties, family photos, Easter, vacations, and everyday wear, these floral dresses combine romantic charm with modern ease.

Available across multiple silhouettes including the best-selling Emerson and Lainey dresses, plus coordinating tops, skirts, and shorts, this versatile print allows every tween to find her perfect fit. Pair it with solid pink separates for endless outfit combinations. With floral prints trending strong again this season, this KatieJ collection is a spring staple for every tween wardrobe.

A must for fall, this navy floral print is so pretty with mauve and mulberry ditsy florals on a midnight navy backdrop. Wear it with the matching print Mikalea top or bring out the floral colors with our mauve livi tee or emory fuzzy hoodie. The Melody Skirt is a must-have for effortless style! Featuring a delicate lace trim and a soft, flowy fit, it’s the perfect piece to add a touch of sweetness to any outfit. Pair it with a simple tee or dress it up—you’ll always feel chic and feminine!

The Melody Skirt is a must-have for effortless style! Featuring a delicate lace trim and a soft, flowy fit, it’s the perfect piece to add a touch of sweetness to any outfit. Pair it with a simple tee or dress it up—you’ll always feel chic and feminine!

PRODUCT FEATURES:

• Lace trim

CONTENT & CARE:

• Main: 100 Cotton
• Lining: 100 Cotton

Our best selling tween girls party dress. The tween Teddie bow Dress now in bluewhere elegance meets modern tween fashion! 🖤✨

This stunning red bow party dress is designed with a structured yet stretchy fabric, giving the perfect balance of comfort and sophistication. The sleek, strapless silhouette hugs in all the right places while allowing for effortless movement—because style should never mean sacrificing comfort!

The standout feature? A chic oversized bow front and center, adding a touch of timeless elegance with just the right amount of playful flair. Whether it's a school dance, holiday party, or special event, this dress is all about making a classy yet trendy statement

This sweet girls skirt set by Ooh! La, La! Couture is the cutest in red gingham. Special details include the smocked top with white eyelet trimming and ruffles.. This one is super comfortable to wear and easy to dress up or wear causally. Gingham is a big trend this season and we love its playful vibe. 

True to Ooh! La, La! Couture’s reputation for exceptional quality, this skirt set is fully lined for comfort and coverage, making it effortlessly cool to wear. 

Perfect for:

• Spring and Summer Events 

• School Photos 

• Birthday parties & milestone events

This sweet girls day dress by Ooh! La, La! Couture is the cutest in red gingham. Special details include the smocked waist and fun tie at the chest. This one is super comfortable to wear and easy to dress up or wear causally. Gingham is a big trend this season and we love its playful vibe. 

True to Ooh! La, La! Couture’s reputation for exceptional quality, this dress is fully lined for comfort and coverage, making it effortlessly cool to wear. 

Perfect for:

• Spring and Summer Events 

• School Photos 

• Birthday parties & milestone events

The Leni is so special, its not the typical little black party dress. This one has great details like a pop of white detailing and a big black bow. I it amazing. You can add a pretty blazer or leather jacket on top and wear it to a formal event or take it off and make it ready to party! Perfect for your next special event. Velour with a gorgeous bow! Perfect for special events like dances, homecoming, parties and holiday.

Theme NYC founded by a Ariella, a 13 year old fashionista whom has taken the girls fashion world by storm with her talent these past few years.  I mean after-all who better to know what young girls want to wear, than one herself right?  She has created the most beautiful fall and holiday collection for our girls.  Be sure to take note of all the special little details and love she has poured into this seasons collection. We love supporting young women like Ariella,  living their passion and perusing their dreams. 

Looking for the perfect special occasion dress for your tween girl? Look no further than our Miss Behave Girls collection! Our trendy tween party dresses are perfect for parties, concerts, dances, and more. With a variety of styles and sizes to choose from, your daughter is sure to find the perfect dress to make her feel confident and stylish. Don't settle for anything less than the best - shop Miss Behave Girls today and make your tween girl's next special occasion unforgettable!

Model is wearing a size 10.  We do suggest sizing up for this designer. 

Flowers by Zoe made our hearts swoon with this embossed satin bubble dress in the perfect red. We love a great dress that can be styled for more than one wear. We think this dress is perfect in the fall for school dances and guests to wear to events. And of course its the ultimate girls holiday dress too. And beyond the holidays it will be a perfect choice for girls to wear for Valentine's and father and daughter dances.  This dress does tend to run on the short side so most customers do size up for this designer. 

The Teddie Dress—where elegance meets modern tween fashion! 🖤✨

This stunning party dress is designed with a structured yet stretchy fabric, giving the perfect balance of comfort and sophistication. The sleek, strapless silhouette hugs in all the right places while allowing for effortless movement—because style should never mean sacrificing comfort!

The standout feature? A chic oversized bow front and center, adding a touch of timeless elegance with just the right amount of playful flair. Whether it's a school dance, holiday party, or special event, this dress is all about making a classy yet trendy statement

How precious is this girls special occasion dress by Ooh! La, La! Couture? It is designed to make her feel confident, elegant, and unforgettable at every important moment. Featuring oodles of ruffled tulle,  this dress is crafted from the brand’s signature luxuriously soft tulle—never scratchy and always comfortable for all-day wear.

The bodice is delicately adorned with hand-embellished with jeweled detailing, adding just the right amount of shimmer and sophistication. This gown features ruffled puff sleeves that looks like their own bouquets on, just stunning. The full, airy tulle skirt adds graceful movement while remaining lightweight and easy to wear. This gown is fully lined for her comfort too. 

True to Ooh! La, La! Couture’s reputation for exceptional quality, this dress features hand-sewn details throughout and is fully lined for comfort and coverage, making it ideal for younger girls who want to look dressed up without sacrificing comfort.

Perfect for:

• Flower girl dresses

• Weddings & formal celebrations

• Birthday parties & milestone events

• Father-daughter dances

• Holiday portraits & family photos

• School ceremonies & special occasions

When moms are searching for a high-quality girls formal dress, pearl detail dress for girls, or a luxury special occasion dress that feels as good as it looks, this Ooh! La, La! Couture style delivers timeless beauty with modern elegance.

Soft, sweet, and endlessly wearable, this Ooh! La, La! Couture shabby chic dress is a must-have for spring and summer. Designed in a charming mix of florals and stripes, this cotton day dress delivers effortless style with a relaxed, twirl-worthy silhouette girls love and moms trust.

The ruffled bodice adds a feminine touch, while the smocked waist provides comfort and flexibility for all-day wear. Finished with a flowy, twirl worthy skirt, this dress moves beautifully whether she’s heading to school, a birthday party, or a spring celebration. Crafted from breathable cotton and fully lined, it’s exceptionally comfortable—perfect for play, yet polished enough to dress up for special occasions.

This style is a proven best seller season after season in our boutique, loved for its versatility and timeless appeal. Easy to style with sandals for everyday wear or dress up with accessories for Easter, family gatherings, portraits, or parties, it’s a go-to piece that works for every moment on her calendar.

Why moms love it:

• Shabby chic floral and stripe print

• Soft cotton fabric with full lining for comfort

• Smocked waist for easy fit and movement

• Ideal for school, play, parties, Easter, and special events

• A consistent best-selling Ooh! La, La! Couture style

This is the kind of dress she’ll reach for again and again—comfortable enough for everyday wear, beautiful enough for memorable moments.

Ooh! La,La! Couture runs true for a perfectly fitted look. If you would like growing room please size up to the next size.

Classic and feminine, this pink and white gingham tank by Flowers by Zoe (FBZ) is elevated with delicate white eyelet trim across the neckline for a timeless boutique look.

Designed in a structured woven silhouette, this top offers a polished feel while still being comfortable enough for everyday wear. The soft gingham print keeps it playful and on-trend for spring and summer, making it a versatile piece to pair with matching FBZ shorts or skirts.

Perfect for girls who love a more refined style, this Flowers by Zoe top blends sweetness with effortless sophistication—ideal for school days, outings, and special occasions.

Key Features:

• Pink and white gingham woven tank for girls

• White eyelet trim detail at neckline

• Structured yet lightweight design

• Easy to pair with FBZ matching bottoms

• Perfect for spring outfits and boutique styling

Sleek blue dress featuring striking crossed pleats at the bodice and a gracefully pleated skirt. Adjustable tie straps let you customize the fit, while a discreet back zipper ensures an effortless finish. Model pictured in size 10.  This style is an easy one to dress up for special events, or wear casually for a day look. 

Every tween girls needs a little black dress and we love this one from If So. Sleek black dress featuring striking crossed pleats at the bodice and a gracefully pleated skirt. Adjustable tie straps let you customize the fit, while a discreet back zipper ensures an effortless finish. This style is an easy one to dress up for special events, or wear casually for a day look. Model pictured in size 14.

The Melody Skirt is a must-have for effortless style! Featuring a delicate lace trim and a soft, flowy fit, it’s the perfect piece to add a touch of sweetness to any outfit. Pair it with a simple tee or dress it up—you’ll always feel chic and feminine!

PRODUCT FEATURES:

• Tiered Ruffle Skirt
• Lace Trim Detail

CONTENT & CARE:

• Main: 100 Cotton
• Lining: 100 Cotton

We recommend going up a size for this style 

Soft florals, delicate lace, and dreamy boutique styling come together in this stunning two-piece skirt set from Flowers By Zoe. Featuring a pastel yellow and blue floral print with feminine blue lace trim accents, this matching tween outfit is the perfect combination of trendy and timeless.

The floral top features adjustable straps, dainty lace trim, and button-front inspired detailing for an elevated feminine look. Paired with the coordinating tiered ruffle skirt with a smocked waistband, this boutique girls set creates an effortlessly styled outfit perfect for spring and summer occasions.

Whether she’s headed to brunch, vacation, birthday parties, family photos, beach dinners, or special events, this floral skirt set gives tween girls a polished boutique fashion look that still feels youthful and playful.

Style together for the full matching moment or mix and match the pieces with denim, tanks, sweaters, or sandals for endless outfit options.

Features

• • Two-piece matching skirt set
  • Soft yellow and blue floral print
  • Feminine blue lace trim details
  • Adjustable spaghetti strap cami top
  • Tiered ruffle skirt with smocked waistband
  • Lightweight comfortable boutique styling
  • Perfect for spring, summer & vacation outfits
  • Designer tween fashion by FBZ / Flowers By Zoe

We fell in love with this dreamy summer print from St Barth. The Selena dress is a best selling style for girls dresses this season and gives such a playful, fun, and whimsical vibe. This Serena Girl's Tassel Dress is crafted from soft cotton gauze and features whimsical embroidery, a double flutter sleeve, a twirly skirt, and sweet shoulder detailing. Perfect for any special occasion, this dress is sure to make your little one feel like the princess she is. 100% cotton

A sizing chart can be found in the image section