04/07/2012 13:02 BST

Celeb Pics Of The Day - 4 July 2012 (PHOTOS)

Katy Perry wows the crowds at the UK premiere of her docu-movie Part Of Me, Nancy Dell'Olio demonstrates how NOT to get out of a car, Keira Knightley is seen on set of her new film with Adam Levine and X Factor's Aiden Grimshaw fancies a new career as a bin man. It's just another 24 hours in celebville.