Williams shows a hint of a smile and a lot of leg while out in West Hollywood. Plus: Rihanna, Channing Tatum, Molly Sims and more

'FRIENDS' FOREVER

What a reunion! Cox's former Friends costars Matt LeBlanc and Lisa Kudrow flash their megawatt smiles Sunday during Showtime's Summer TCA Party in Beverly Hills, where they promoted their respective TV shows, Episodes and Web Therapy.