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If only we could fast forward to the future!

Britney Spears made a major announcement Wednesday! "Vegas isn't just the home of my Piece of Me show, it's also the home of the Billboard Music Awards," the 33-year-old pop star revealed to her fans in an Instagram video. "I'll be taking the stage to perform 'Pretty Girls' with Iggy Azalea for the first time ever."

"Pretty Girls" will impact radio stations May 5, twelve days before the awards show.

Spears is no stranger to the Billboard Music Awards, of course, racking up six wins in 11 categories since 1999. She has performed on the show twice, including in 2011, when she had a pillow fight with Rihanna while singing "S&M."

Azalea, who is up for 11 awards, performed "Fancy" with Charli XCX in 2014.

The duo joins a star-studded lineup of previously announced performers, including Kelly Clarkson, Fall Out Boy, Hozier, Nick Jonas, Wiz Khalifa, John Legend, Ed Sheeran, Sam Smith and Meghan Trainor. Ludacris and Chrissy Teigen will host the Billboard Music Awards live from the MGM Grand Garden Arena in Las Vegas on May 17. The three-hour event will be broadcast live on ABC beginning at 8 p.m.