Britney Spears opened the Billboard Music Awards with a career-spanning medley of her hits. Spears is this year’s recipient of the Billboard Millennium award.

Clad in red and entering through the fog, Spears launched her medley with “Work Bitch,” channeling a futuristic ringmaster. She went as far back as 2001 for her…

Source: RollingStone
Link: Watch Britney Spears' Career-Spanning Billboard Music Awards Performance