Celebrity pictures: Sienna Miller, Johnny Depp, Zooey Deschanel

Today's celebrity pictures include a pregnant Sienna Miller with boyfriend Tom Sturridge enjoying a romantic break in Portofino, Italy, and in London, suntanned The Saturday singers Mollie King and Frankie Sandford leave the BBC Radio 1 studios.

Across the pond in New York, Sacha Baron Cohen, dressed as his latest alter ego General Aladeen, arrives for his appearance on the Today show, Florence Welch is interviewed out and about in Manhattan, and Tinker Tailor actor Gary Oldman arrives at the Met Ball 2012 after-party with wife Alexandra Edenborough.

In Los Angeles, Johnny Depp, Bella Heathcote and Chloe Moretz attend the Dark Shadows premiere and Zooey Deschanel and co-star Jake M. Johnson arrive at the New Girl screening in North Hollywood.