NEWS FROM ACROSS THE POND: Rihanna throws festive party in London; Katy Perry cosies up to Robert Pattinson; Keira Knightley gets the jitters

• Rihanna throws a wild festive bash at Mayfair's Whisky Mist inviting some elite chums like Nicole Scherzinger and Kanye West. (more)

• Katy Perry reveals the first possible chinks in her relationship with Russell Brand after she cosies up to Twilight star Robert Pattinson. (more)

• Keira Knightley gets a case of the jitters at her first West End performance of The Misanthrope. (more)

• George Clooney went on disastrous date with Madonna following her split with Guy Ritchie. (more)