From EXTRA TV WARNER BROS

Host Heidi Klum gave "Extra" a behind-the-scenes sneak peek at rehearsals for the upcoming runway show where you'll see dozens of sexy, seductive supermodels in skimpy lingerie.

"I have three looks, three changes, plus hosting in between," Klum tells "Extra." "So it's going to be very frantic."

All-American girl Tyra Banks reveals some of Victoria's show secrets, including a multi-cultural holiday theme. She says, "There's some Spanish influences, some influences from Africa, from the 80's. So they're mixing it up, so it’s going to be really cool."

Another surprise is a show-stopping skit starring former "Cabin Boy" Chris Elliott who plays a delivery boy attacked by hungry supermodels. He says, "It's the most challenging job I’ve ever had."

Guess being a delivery boy has its perks. And so does being a supermodel. Tyra says, "I get lots of free lingerie. That's nice." See the video