Nicky Hilton shot down allegations of anorexia last night at the show for her Nicholai fashion line. "There's no truth to any starvation, eating disorders... I think the press has been printing a lot of pictures of me from unflattering angles." • Mariah Carey will fill in for an ailing Janet Jackson on this weekend's SNL. Trading one diva for another! • Britney Spears's mom, Lynne, visited her on the set of How I Met Your Mother, where she's filming a guest-starring role. Brit's video for "Break the Ice," her third single off Breakdown, premieres tonight at 6:30 on the website blackoutball.com. [People, Entertainment Weekly, Us]