Oscars audience to be treated to live 'Les Mis' performance

The cast of 'Les Miserables', Catherine Zeta-Jones and Jennifer Hudson will sing live at the Oscars.

The Academy Awards will pay tribute to musical films on Sunday with a big song-and-dance segment featuring the stars of 'Les Mis' - including Hugh Jackman, Anne Hathaway, Russell Crowe, Eddie Redmayne, Aaron Tveit, Samantha Barks and Helena Bonham Carter - along with Oscar winners Catherine and Jennifer, who will revisit their roles from 'Chicago' and 'Dreamgirls' respectively.