(NEWSER) - Michelle Williams, who stars in a new film about the loss of a best friend, says time hasn’t made mourning ex-boyfriend Heath Ledger any easier. “I’m at heart an optimistic person, but in some ways it just gets worse," the Dawson’s Creek alum says through tears. "It's just that the more time that passes, the more you miss someone." She likens her grief to "a moving river" that takes her to "a slightly different place" every day. More»