COWGIRL HEIDI DOESN’T FIT

Models can make anything look good, but at the People’s Choice Awards Wednesday, Heidi Klum had a mini-wardrobe malfunction. When Brad Paisley sang “Mona Lisa,” he went into the audience to give his cowboy hat to Klum. “She tried to put it on, but her hair was beautifully made up and she didn’t want to mess it up,” says our spywitness, who also saw Klum backstage chatting with Justin Timberlake and Ellen DeGeneres.