Celebrity pictures: Jennifer Lopez, Jason Statham, Boris Johnson

Today's celebrity pictures include a cheeky Kelly Osbourne copping a feel of fellow Fashion Police co-star Joan Rivers at the 2012 E! Upfront bash in New York, joining other guests including Kim Kardashian and Bill and Giuliana Rancic.

Also in New York, James Franco and Solange Knowles enjoy cocktails courtesy of Gucci and GQ, and engaged couple Elizabeth Hurley and Shane Warne attend the Breast Cancer Research Foundation Hot Pink party.

In Los Angeles, Miley Cyrus takes husky Floyd for a walk and Jennifer Lopez takes dancer boyfriend Casper Smart along with her as she announces her upcoming tour.

And in London, a brightly-coloured Tulisa Contostavlos leaves the BBC Maida Vale studios, a suave Jason Statham attends the Safe premiere at the BFI IMAX and Boris Johnson checks out the London Mayoral competiton and ruffles Ken Livingstone's hair at The Times Cycling Hustings.