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Birthday

Birthday Boutique | Cute Clothes for Girls

Find your little girl’s birthday outfit in our online birthday boutique! With Sydney So Sweet, you can find an outfit for your little girl that is absolutely to die for! Our online Birthday boutique collection is here to bring you a wide variety of stylish dresses, tops, unicorn tutus, and tutu party favors that your little girl is sure to look adorable in. Celebrate her special day in Sydney So Sweet Style!

Shop our online store today and find the styles that ensure you her outfit will be the cutest!

Variety & Selection

You can find cute unicorn dresses, unicorn tutu sets, accessories, and tutu party packs in our Birthday collection. We always include the newest fashion trends and clothing for every special event and holiday for your little girl! Keep her wardrobe fresh while also not breaking the bank when you check out our selection of new arrivals daily!

Sydney So Sweet is a top-rated online seller of children's boutique clothing and baby boutique clothing items. We carry trendy boutique clothing for children of all ages at the lowest prices around. You can purchase an entire outfit for under $20!

Size & Fit

While most of our clothing runs true to size, double check the details on each piece to make sure to get the perfect fit. If you’re unsure, we have an easy-to-use sizing chart that’ll tell you exactly which size you need to order. All clothing is made from an extremely soft, stretchy cotton that will be perfect to wear all day. Keeping your child comfortable yet also stylish is one of our main goals. We strive to make sure our clothing is stretchy, not too tight or too loose, and definitely super soft and never itchy!

Explore our girl’s boutique clothing online for fashion that you can’t resist for your little girl! Order today and get FAST and FREE shipping on all orders!

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Showing: 38
Unicorn Magic Boho Flare Dress
Regular price $21.97 $16.97
Seafoam Lace & Pom Pom Dress
Regular price $24.97 $14.97
Rose Pink Lace & Pom Pom Dress
Regular price $24.97 $14.97
Wrap Style Ruffle Pastel Unicorn Dress
Regular price $19.97 $14.97
Unicorn Mint - Chunky Beads Necklace
Regular price $16.97 $11.97
Rainbow Metallic Unicorn Headband
Regular price $12.97 $8.97
Purple Flower Unicorn Tutu Costume
Regular price $18.97
Hot Pink Sparkle Unicorn Flutter Sleeve T-Shirt
Regular price $16.97 $12.97
Crown Princess Gold Tutu Romper
Regular price $15.97 $9.97
Mint - Pom Pom Tutu Birthday Party Skirt
Regular price $15.97 $9.97
White - Pom Pom Tutu Birthday Party Skirt
Regular price $15.97 $9.97
Pink - Pom Pom Tutu Birthday Party Skirt
Regular price $15.97 $9.97
Gold Unicorn Pastel Tutu Romper
Regular price $15.97 $9.97
Vintage Floral Halter Dress - Pink
Regular price $19.97 $14.97
Vintage Floral Halter Dress - Blue
Regular price $19.97 $14.97
Dusty Rose & Lace Dress
Regular price $24.97 $14.97
Purple - Kids Ballet Tutu Value 5-Pack
Regular price $44.97 $29.97
Pink - Kids Ballet Tutu Value 5-Pack
Regular price $44.97 $29.97
Unicorns Are Real Flutter Sleeve T-Shirt
Regular price $16.97 $12.97
Unicorn Pastel - Chunky Beads Necklace
Regular price $16.97 $11.97
Unicorn Green - Chunky Beads Necklace
Regular price $16.97 $11.97
Pink Metallic Unicorn Tutu Costume
Regular price $18.97
Pink Flower Unicorn Tutu Costume
Regular price $18.97
Pastel Pink Unicorn Tutu Romper
Regular price $15.97 $9.97
Felt Clippie - Cupcake
Regular price $5.99 $3.99
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