The plan was for Klum to just host the show. "You definitely have less pressure hosting, when you don't shake your booty in front of millions of people around the world," she told People Magazine earlier this week. But those plans changed when the 36-year-old mother of four wowed the crowd in a surprise walk down the runway

Heidi Klum walks runwayKlum donned a purple corset with an off-the-shoulder vine look matched with a "half gown with poufs of tulle," according to Us. When the mag asked Klum about the journey in losing weight, Klum said it's just another round of the same routine but she is hoping to lose 20 more pounds from here.

"Every time it's the same," she said to Us. "You know, if you kind of gain 45 pounds, then it takes time to kind of go down again