There are two things fans can always count on from Britney Spears: A chart-topping dance song, and a super sexy concert getup!
The pop star, who turns 30 today, has come a long way since her schoolgirl days and after two kids, a public meltdown, and a string of bad relationships, Britney is back on her A-game and looking better than ever.
She's done the snake thing, she's done the space thing, and she's currently doing the S&M thing; only time will tell what Britney will do next ... and we can't wait to see!
In honor of the superstar we've pulled our favorite costumes of her doing what she does best -- performing! Check out her sexiest stage costumes, above!