WATCH: Britney Spears Shines in's "Scream & Shout" Video

The X Factor host brings her star power to the Black Eyed Peas rapper's new dance video

Britney Spears has just premiered her most exciting video in years -- and it's not even her video! On Wednesday night's X Factor, Black Eyed Peas rapper premiered the video for his new single "Scream and Shout," featuring a guest appearance by Britney. Spoiler alert: like a true diva, she totally steals the show!

Watch the video below.

Wearing glittery accessories, huge hair and slinky black costumes, Spears looks like the pop star of the future. She sounds great, too! (No, we're not sure where that British accent came from either, but we'll go with it.) The song itself, by, is sure to become a club hit -- and both artists seem very pleased with their collaboration.

"Working with an artist like Britney is the reason I love making music," the rapper said in a press release last week. "This is the most exciting song I've worked on in a long time."

Spears returned the compliment over Twitter on Wednesday night, writing, "Thank u @iamwill for being such an inspiration & dream to work with. Tonight is a big moment 4 us & the AMAZING fans :)"

The song "Scream and Shout" will appear on's forthcoming album #willpower. Want more Britney? Check out MTV Buzzworthy's fabulous animated GIFs of her finest "Scream and Shout" moments!

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