‘Revenge’ party

CATHY Guetta, the ex-wife of the world’s top DJ David Guetta, made headlines during the couple’s contentious divorce by demanding a large part of his estimated $30 million fortune as it was widely said she was the marketing genius behind the tune-spinner. Since the divorce, David’s been jetting around the world with a series of 20-somethings, and he’s signed to Scooter Braun’s management firm. But this past week, Cathy made a stunning comeback by throwing the biggest party at Winter Music Conference in Miami at hot spot Ora. With 50 Cent, Cathy mixed hip-hop with dance music for a crowd that included Paris Hilton and her boyfriend Chris Zylka.