Star-studded musical comedy based on the Broadway smash, starring Julianne Hough, Diego Boneta and Tom Cruise. A young couple eager to find fame and fortune in the music business, meet and fall in love in Hollywood. However, a misunderstanding with an on-the-wane rock god threatens to scupper their chances of finding success. Catherine Zeta-Jones, Alec Baldwin, Mary J Blige, Bryan Cranston and Russell Brand also feature.