Celebrity pictures: Miley Cyrus, Jessie J, Christopher Walken

Today's celebrity pictures include a slim Miley Cyrus leaving her pilates class in West Hollywood, and Jessie J, Ellie Goulding and a near-naked former Pussycat Doll Melody Thornton attend the ELLE Women In Music 2012.

Also in Los Angeles, a wig-wearing Emma Watson films on the set of The Bling Ring, Al Pacino and Christopher Walken shoot scenes for Stand Up Guys and loved-up Hollywood couple Vanessa Hudgens and Austin Butler go shopping.

In New York, Rooney Mara attends the Broadway opening night of Magic/Bird and in London, Michael Sheen and Rachel McAdams go to the gala screening of The Gospel of Us.