Les Miserables cast demonstrate vocal warm up routine

Anne Hathaway, Hugh Jackman, Samantha Barks and the rest of the Les Miserables cast demonstrate their bonkers vocal warm up routines. Report by Rob Gillett. Subscribe to The Showbiz 411: More Les Miserables: Anne Hathaway interview: Hugh Jackman interview: Eddie Redmayne interview: Amanda Seyfried raps! Anne Hathaway sings I Dreamed A Dream