Greta's (Keira Knightley) celebrity boyfriend (Adam Levine) breaks up with her after a long-term relationship, leaving the singer to find success on her own. With the help of record producer Dan (Mark Ruffalo) and hip-hop celebrity Trouble Gum (Cee Lo Green), will Greta's musical ambitions be fulfilled?
Elenco:
Adam Levine
,
Keira Knightley
,
Mark Ruffalo
,
Cee Lo Green
,
Hailee Steinfeld
,
Catherine Keener
,
James Corden
,
Mos Def
,
Aya Cash
,
Maddie Corman
.
