U.S. actress Anna Kendrick and British filmmaker Edgar Wright have broken up after dating for four years, multiple sources told Us Weekly. \"She\'s single,\" one insider told the magazine Wednesday. \"It was done a little while ago.\" No reason was given for the split. Kendrick is known for her films \"Pitch Perfect\" and \"Up in the Air\" while Wright helmed \"Shaun of the Dead\" and \"Hot Fuzz.\" The former couple met in 2009 on the set of the film \"Scott Pilgrim vs. the World.\"