black dress suit for women Single-Breasted 2-Piece Petite and Plus Sizes not available $89 3-PC Ladies Black Suit

And for a touch of timeless romance, a delicate lace birthday dress is always a beautiful choice

If you are still unsure about where different dress codes fall on the formality scale, our guide to semi-formal attire explains the full spectrum from casual to white tie

Whether you're stepping out in a flirty satin mini, a bold cutout bodycon, or a flowy maxi dress, our birthday outfits are designed to put you at the center of attention

Short: Picking Your Perfect Length Choosing between a long black formal dress and a short one really comes down to the event and the energy you want to bring

6/10 Arket Halterneck Dress Editor's Note: This Arket dress has the makings of a smart, formal piece along with a casual day dress - it's all in how you style

Bonus points if you dont look back