Britney Spears opened the Billboard Music Awards tonight with a 7-minute medley of her biggest songs, from "Toxic" and "I Love Rock 'n' Roll," to "I'm a Slave 4 U."

She danced with a gang of shirtless dude dancers on poles:

Whipped off her red blazer to unveil a sparkly, Vegas-friendly red bikini and bangin' bod:

And rode a guitar, because this woman is a queen.

Originally posted on ELLE.com

From: ELLE US