Birthday Dresses

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Babes, are you looking for stand out designer dresses for your 21st birthday party? Shop online at Beginning Boutique, we've got fabulous outfits and birthday dresses for women, we'll have you shining like a star on your special day!

Regular price $39.99 $25.00

BB Exclusive

Birthday Dresses

Discover Your Perfect Birthday Dress

Trending sexy birthday dresses for women you can't go past

It's your birthday! So party like it's your birthday with Beginning Boutique! We've got the hottest fashion drops with a massive range of designer dresses lined up and ready for you. Turn up the heat and take your pick from our awesome range of sexy birthday dresses guaranteed to make you stand out from the crowd!

Stand out 21st Birthday dress outfit ideas

We know you'll just love our top choices when it comes to stylish birthday dresses. These stunning pieces are here to make you shine! It's what we do best! Choose from our 5 most popular outfit options:

  1. Mini Dress: For that night of fun with your girls! It's a birthday to remember. Show off those stunning legs with this fashionable piece. Take your pick from an amazing white halter neck mini dress or a sexy black bodycon mini dress.
  2. Long Sleeve Mesh Party Dress: For the glam birthday girl. Dazzle your guests in this elegant little number that accents your curves. This dress is the unique, elegant and glamorous piece you’ve been looking for!
  3. Two Piece Set: The perfect transitional piece. For the more laid back birthday girl, wear this piece to your birthday lunch with the girls, just chuck on some sneakers and you’re good to go. For a more glamorous look, transform this piece with stiletto heels and gold jewelry. You'll be ready to drink cocktails and hit the dance floor!
  4. Midi Dress: Perfect for some serious partying action. We've amped up the sexy vibes with a side split and cut out for some serious wow factor! This dress is definitely next level!
  5. Corset and Pants: A classic choice! Elevate this piece with tailored pants or jeans paired with a cute pair of heels and you’ve got the ultimate outfit for your unforgettable night!

Celebrate that milestone birthday in style with one of our birthday dresses

Whether it’s your 18th, 21st, 30th or 40th birthday, Beginning Boutique has got you covered with an elegant and glamorous dress. Get ready to turn heads as you dazzle your guests in your dream dress. Make this milestone birthday one to remember! Drape yourself in a silky satin gown for that luxury look, or rock a fun and flirty look in a frilly little mini dress.

Large range of styles available to suit all body types

We've got birthday dresses for every type of birthday girl. Whatever your style, we've got your back! Rock that party in figure hugging bodycon dresses or dress up in our silky ruched dress to accent your curves. Oh wait, it's summertime? Don our strapless gorgeous white corset and show off your tan or go with the flow and slip into the ruffle and rosette dresses for the girly babe! We've got dresses for everyone.

Top selling casual and formal 21st birthday dresses available for every event

Girls just wanna have fun, whether it's dressing up for the big occasion or keeping it on the down low, we've got all the right options. Choose from our top selling casual birthday dresses for your 21st!

  • The strapless mini dress is the cute and casual piece you need for a chill picnic with the girls, or a birthday brunch date!
  • Get fun and fresh with our popular cotton wrap dress, it's a vibrant summer dress. Top choice for that beach picnic.
  • For a comfortable and sexy birthday dress that accentuates all your curves in the right places, try our bodycon maxi dresses.

Now for the glam girls who love to play dress up, you can't go wrong with our top picks for formal party dresses.

  • Find your dream little black dress. You can’t go wrong with it! The black mini dress is a classic and timeless piece, perfect for your birthday and many occasions to come.
  • Glam up your birthday party with an exquisite satin maxi dress with the side split. Bring out the Goddess in you and drape yourself in a silky flowing gown for that added elegance! 
  • Last but not least, the cut out midi dress, try a cowl back design beautifully made to highlight that sexy back. Touch of class to highlight your special day.

Find something special for your next event with our large range of dresses

With a huge range of glamorous gowns, we know you'll be spoilt for choice when choosing your outfit for your next birthday. Opt for the classic long sleeve dress for an elegant birthday dinner look. For a more dressed up birthday look, explore our range of maxi dresses, perfect for your big 21st birthday celebration. If your birthday falls around those colder months, we have stylish outerwear to elevate your winter birthday outfit! Whether you’re looking for a blazer to curate a smart formal look, or a leather jacket to rock a street style, we’ve got you covered.

Birthday dresses for different occasions

At Beginning Boutique, we know that our customers celebrate birthdays in many unique and different ways. That's why we have a large range of options for your special day. No matter the birthday plans, BB has the birthday dress of your dreams.

  1. Boat Party: Soak in the sun and light breeze whilst sipping champagne at your next boat party! We love a pastel two piece set for this birthday occasion. You will be serving elegance and glamour! 
  2. Girls night out: Be the star of the show when you hit the town in a sparkly mini dress. Make sure to pair this piece with heels and statement earrings to complete the fun and flirty birthday girl look!
  3. Picnic: We have a large selection of flowy and floral dresses for you to choose from. We love a floral midi dress paired with some slides and a shoulder bag for a chilled out picnic vibe.
  4. Dinner: Turn heads at your birthday dinner in an elegant yet sexy mini dress. Whether you're looking for a low plunging dress, a wrap around dress, or a strapless bodycon dress, we’ve got what you’re looking for. Go for a bold look in a frilly halter neck dress!
  5. Private function: Are you planning on having a large milestone birthday party with all your friends and family at your dream venue? You need something long and luxurious for this occasion. We love an off the shoulder, silky satin maxi dress moment to complement an unforgettable night.

Accessories you can't go past to add to your outfit

Elevate your outfit to the next level with some fine accessories from Beginning Boutique. Select from our gorgeous gold hoop earrings and dainty necklaces to accent your cowl neck dress. Or choose from our beautiful statement rings and stunning belts for maximum impact. Complete your fashion look with a great pair of strappy heels. You’ll be serving effortlessly stylish and chic looks with our wide range of accessories.

Popular colors and patterns available to order online

Astound your party guests with our stylish party dresses. Our birthday outfits come in an excellent selection of colors to set off your skin tone beautifully. Rock up to your party in our highly popular floral maxi dresses or a sparkle mini dress. Absolutely stunning choice! If pastels are your thing, we have lovely lilac outfits for that subtle hint of color. Or go classic glam and dress in black or white for your big day!

Brands we know and trust

We're dedicated to bringing you only the best in fashion, from the brands we know and trust. At Beginning Boutique, we work closely with our brand ambassadors and with ethical fashion to bring you top quality pieces that we know you will cherish forever. We take pride in providing you with sustainable and trendy fashion choices.

Buying your birthday dresses online at Beginning Boutique

Discover your birthday dress now and shop online now at Beginning Boutique. We offer express shipping to the United States and Canada, so you'll be turning 21 in your new birthday outfit within a matter of days. Your shopping cart prices are in USD and CAN. For exclusive offers and Black Friday specials, read our awesome terms and conditions for promo codes to use at checkout. And with Afterpay, you get to stretch out your payment options for a fuss free shop! Purchase our gift cards and share the Beginning Boutique experience with your bestie! Set up your account with Beginning Boutique now and add to your wish list so you don't miss out on the latest trends and styles! 


What are some of the trending colors and designs for a birthday dress?

We want you to dazzle all your guests on your special day. Choosing our trendy dress designs and colors will do just that. Sequins, sparkles and glitter are all the rage and guaranteed to make you the star for the day. For a subtle yet glam affair, choose baby pink, nudes and white. If you want to flaunt your stuff and stand out , opt for bolder colors, like lime green, hot pink, ruby red and electric blue. Combined in a ruffle and maxi dress, you'll be sure to make a deep impression.

What is the average price of a birthday dress?

Looking drop dead gorgeous on your special day doesn’t require extravagant expenditure. At Beginning Boutique, you can find a stunning birthday dress from as low as $20 when on sale! Typically, birthday dresses range from $20 to about $140, which is an average price of $50-$80. Add in a few accessories, make sure to grab some new shoes and the grand total will amount to around $120 for your whole birthday outfit!

What dress should you wear for a winter birthday?

A winter birthday is just the perfect opportunity to play around with beautiful statement pieces. Create a dramatic and fabulous birthday outfit while keeping you warm and cozy. Lace up in a long sleeve mini dress paired with knee high boots or try on that gorgeous off-the shoulder maxi dress you've been eyeing. Invest in a beautiful trench coat in bold colors for a big impact. Choose from our range of long sleeve going out tops paired with pants for a warm and cozy birthday. When paired with stiletto heels, this outfit transforms into an elegant and luxury look for a birthday to remember! And if casual is your thing, opt for the lovely sweater dress. You can dress it up or keep it casual, depending on the tone of your birthday bash.

What dress should you wear for a summer birthday?

Floral, flowy, bright, mini, midi, or maxi dresses. No matter what you’re looking for, Beginning Boutique has the ultimate summer birthday dress you’ve been looking for. How about a white linen mini dress for the perfect birthday brunch outfit? Alternatively, chuck on a bright patterned satin maxi dress for a fun and flirty birthday cocktails by the beach vibe! Soak up the sun and show off your sun tanned skin this summer!

How to find a stand out dress for your birthday? 

We'd love to dress you for your special day, whether it's a big birthday bash or casual lunch with your girls, we're here to help you do you. At Beginning Boutique we have a massive range of stylish and stand out pieces for that WOW factor. Check us out to find your perfect stand out dress for your birthday.