Scrap the Rosie O’Donnell idea — America’s Got Talent has employed Spice Girl and recent British X Factor guest judge Melanie Brown (that’s Mel B. — the artist formerly known as Scary Spice — to you and everyone else) for season eight. B. will join Howard Stern and Howie Mandel, taking over the judge’s seat Sharon Osbourne occupied since the reality competition’s debut season in 2006.