Kardashian gets her frozen-yogurt fix in Beverly Hills. Plus: Justin Timberlake, Rihanna, Pink and more

ON DEMAND

And the crowd goes wild! A beaming Mariah Carey makes a star's entrance Monday in New York City, where she's filming a music video for her new single "Obsessed." Carey's latest album, Memoirs of an Imperfect Angel, hits stores Aug. 25.