A new trailer for Begin Again, starring Keira Knightley, Mark Ruffalo, and Adam Levine is now available via The Weinstein Company. The trailer features Adam Levine singing the new song, “Lost Stars”. The latest film from writer-director John Carney (Once), Begin Again is a soul-stirring comedy about what happens when lost souls meet and make beautiful music together. Gretta (Keira Knightley) and her long-time boyfriend Dave (Adam Levine) are college sweethearts and songwriting partners who decamp for New York when he lands a deal with a major label. But the trappings of his new-found fame soon tempt Dave to stray, and a reeling, lovelorn Gretta is left on her own. Her world takes a turn for the better when Dan (Mark Ruffalo), a disgraced record-label exec, stumbles upon her performing on an East Village stage and is immediately captivated by her raw talent. From this chance encounter emerges an enchanting...