Aspiring rapper and husband of pop star Britney Spears -- Kevin Federline, aka K-Fed -- made his wrestling debut in Los Angeles on "Monday Night Raw."

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Federline drew boos from the audience as he was introduced as an "A-list friend" of WWE villain Johnny Nitro during the weekend taping of the hit USA Network show at the Staples Center, People magazine reported.

"Same people who are booin' me now buy my picture on the cover of magazines," Federline responded. "Y'all want to hear my rap? ... Well, you're going to have to wait until my record drops in October."

WWE champion John Cena tossed a number of verbal slams at K-Fed, who finally threw down the gauntlet after being told, "You're less talented than Paris Hilton!"

To the delight of the assembled wrestling fans, Cena quickly followed his verbal slams with a body slam, People said.

Despite some fairly convincing writhing on the canvas, Federline appeared fine backstage.