Now that Titanic is returing to the big screen in 3-D, Kate Winslet admits that there are a couple of things she'd change about her performance in the epic movie. OK! GALLERY: KATE WINSLET STEALS THE SPOTLIGHT AT THE WORLD PREMIERE OF TITANIC 3D IN LONDON "My American accent could've been better," she told MTV News at the world premiere of Titanic 3D in London yesterday. "My acting could've been a lot ... Read More >>