'How To Be Single' premiered in New York last night, starring Alison Brie, Leslie Mann, Rebel Wilson and Dakota Johnson. Lindsay Lohan attended a private exhibit in London, while Mike Comrie took a call in Beverly Hills the same day his divorce from Hilary Duff was finalized.
Justin Bieber was tootin' around West Hollywood this weekend as reports of his tryst with Kourtney Kardashian emerged. Such fun! Meanwhile, a healthy-looking Amanda Bynes went to a holiday party, and Prince Harry paid a visit to a hospital dedicated to finding a cure for AIDS.