Heidi Klum Strips for New Guitar Hero Ad, the Video

German-born model Heidi Klum has stripped down in a new Guitar Hero: World Tour commercial. The runway queen is seen performing Tom Cruise's famous film moves in the advertisement, directed by Brett Ratner, for the computer game.

Dressed in a white shirt, black underwear and white socks, the 35-year-old supermodel opens the ad by sliding across the floor, bringing a guitar. Heidi then dances and plays air guitar to Bob Seger's "Old Time Rock and Roll", just like Tom did in his movie "Risky Business".

Heidi admitted that dancing for the ad wasn't as easy as it appears. It even left her with bruises and burns all over her legs. "He (Ratner) really wanted to have it exactly like Tom Cruise did this... It was harder than I thought it was gonna be," the "Project Runway" host said.

Below is the video of Heidi Klum dancing around in her underwear for Guitar Hero: World Tour commercial:

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