Kate Beckinsale flaunts her toned abs in a white sports bra as she shows off her impressive flexibility during yoga session

Kate Beckinsale looks out of this world as racy space traveller Barbarella in a sheer black bodysuit as she attends Vas J. Morgan's Halloween party

Paris Hilton and Demi Lovato get in the Halloween spirit in fun costumes as they lead A-list partygoers at star-studded bash in LA

Kate Beckinsale draws attention in a bodysuit with BIZARRE wide-brimmed hat and floor-length veil as she leads the stars at Balmain's Zodiac Ball in LA