Millennium Award recipient Britney Spears performs a medley of songs at the 2016 Billboard Awards in Las Vegas, Nevada, U.S., May 22, 2016.
Mario Anzuoni—Reuters
May 22, 2016 9:45 PM EDT

The Billboard Music Awards kicked off on Sunday night with a performance by Britney Spears, who staged a sweeping medley of songs from her nearly two decades as a pop superstar.

She eschewed her earliest hits—like “Oops!… I Did It Again” and “…Baby One More Time”—in favor of somewhat later work. The centerpiece of the set was a bawdy rendition of “I’m A Slave 4 You,” which she released in 2001.

Spears was there to receive the Billboard Millennium Award, a lifetime achievement prize of sorts that has only been given to two artists before her—Beyonce in 2011 and the late Whitney Houston in 2012.

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