Welcome to your 30s, Beyonce!
The show-stopping singer turns 30 on September 4, and the mom-to-be has accomplished quite a lot already in her career.
With hit songs like "Singles Ladies" and "Crazy In Love" to sold-out tour dates and epic performances, she's solidified herself as one of the top American performers of the decade -- and she has 16 Grammy Awards to prove it.
On top of all of her professional accomplishments, the singer stole the show at the 2011 VMAs when she announced she's expecting her first child with husband Jay-Z.
When it comes to wowing the crowd on stage, Beyonce has her fierce act down -- but her attire can be hit or miss. We've put together a slideshow of some of her more memorable concert outfits, so vote below and let us know your favorite look.