It's your birthday only once a year and when it's your birthday anything and everything goes! Channel your inner princess this summer and spoil yourself in sparkling style with the perfect birthday dresses, outfits, and accessories. Set your birthday outfit goals high with the latest trends, cute party dresses, and sexy looks. Sparkle on your special day in our stunning collection of the most coveted attire for coming-of-age celebrations like Sweet 16, Cotillion, or Bat Mitzvah, or for an amazing 18th or 21st birthday outfit. Have a blast in glitter bodysuits or a mini party dress available in decadent colors that help you bring the heat. Consider birthday girl outfits with bustiers that can be worn with dressy blazers or jackets to go with skinny or high waisted glitter shorts. BUT WAIT, don't think these fashions are just for birthday "girls". Ladies, you'll love the chic jumpsuits, sexy party dresses, and cocktail attire for women you can style on these pages curated just for you! Jump into a stunning glitter jumpsuit, and top it all off with a birthday sash that will have you rocking your best birthday looks. Birthday accessories are a must-have, especially on a 21st birthday, to let them all know and get those free drinks. Whether you're partying with the friends that matter most or having dinner with that special someone, you'll love celebrating your big day in Windsor's eclectic variety of birthday outfits. Not interested in going out in a dress? Explore our birthday tops which include glitter crop tops. Don’t forget to check out birthday bottoms because guess what? There is a pair of glitter pants, and glitter leggings waiting for you to discover. Yes, it’s true, it is all about the glitter on your special day. Discover incredible birthday crowns and headbands in sparkly trim or sashes that make a statement. Celebrate you in a birthday outfit from Windsor you'll wear again and again. Shop party dresses, heels, booties, jewelry, and special birthday accessories like crowns and sashes. Explore current trends because we always will make sure you are in style. Find sexy birthday party dresses, chic jumpsuits, and cute romper dresses in the summer's trendiest styles. For head to toe fashion, we got you, birthday girl!