She was forced to lose weight to play the role of dying prostitute Fantine in the movie adaptation of Les Miserables.
And today the actress revealed the results of her strict eating regime while relaxing in Miami.
The 29-year-old slipped her slender frame into a black bikini for a trip to the beach with her mother Kate and a group of friends.
Beach break: Anne Hathaway soaked up the sun in Miami
Lean girl: The star put her body on show in a black bikini
