Hi I'm Melissa Villasenor and you're watching Newsfeed. According to NBC, Jessica Simpson will be appearing as a celebrity guest on the March 13 episode of The Biggest Loser. Jessica Simpson says she wants to show the contestants that you don't have to be stick thin to be beautiful. Can you just see Jessica? "You can have some curves and look just like me." "Yeah, but we don't have your pretty face." I'm Melissa Villasenor and you're on fire.