Keira Knightley not worried about nudity

London: Actress Keira Knightley has no qualms about filming sex scenes, but has her reservations about opening up about her personal life.

"I`m not prudish when it comes to nudity. If the role calls for nudity, then I`m going to be naked. I`m not afraid to expose myself that way," mirror.co.uk quoted her as saying. "I`m much more worried about revealing personal sides to myself, which I find harder to do," she added. IANS