Gwen Stefani, Kate Winslet
Credit: Dave M. Benett/Getty Images

Kate Winslet got an early start to her birthday celebrations when she joined fellow foodie Gwen Stefani at the launch party for star chef Giorgio Locatelli’s new book Made In Sicily at Locanda Locatelli in London yesterday. (Winslet turned 36 today.) Click through to see more celebrities at last night's hottest events!