Britney Spears Hits Back at Eve’s Claim She Didn’t Sing on ‘Scream & Shout’

Britney Spears at CBS Televison City on December 20, 2012 in Los Angeles, California. Jonathan Leibson/WireImage

Did Britney Spears really scream and shout on her new track with

On Wednesday night's "Watch What Happens Live" on Bravo, host Andy Cohen asked his guests Eve and English celeb chef Nigella Lawson their feelings about the pop star's British accent in her collaboration with the Black Eyed Peas' frontman.

"I heard that might not be Britney," the rapper-designer interjected, making a face.

As massive boos rained down on her from the audience, Eve playfully covered her face and then her butt. (Watch the video HERE)

"That's what I heard, but you know, I don't know," she continued. "It could be Britney. But I heard it wasn't"

Well, Eve heard wrong, according to Spears' rep.

"Completely not true," he tells omg!. "Britney absolutely sings on "Scream & Shout."

Also on Thursday, the remix video for the song leaked online, two days ahead of schedule. The new clip now stars Diddy, Lil Wayne, Hit-Boy, and Wocka Flocka Flame, in addition to Spears and

Who do you believe, Britney or Eve?

More Celebrity Features on Yahoo!:

Justin Timberlake Debuts 'Suit & Tie' Video: It's Old Hollywood … But Features an iPad

Who is Rihanna's Valentine? It's Not Chris Brown!

Lady Gaga Cancels Tour, Her Fans React

Follow omg! on Twitter

Sign up now for the Us Weekly newsletter to get breaking celebrity news, hot pics and more delivered straight to your inbox!

Want stories like these delivered straight to your phone? Download the Us Weekly iPhone app now!