The 'Halo' hitmaker will join a star studded cast including Colin Farrell as Ronin, Josh Hutcherson as Nod, Amanda Seyfried as Mary Katherine, Johnny Knoxville as Mandrake, rapper Pitbull as Bufo and Steven Tyler as Nim Galuu in the new movie from the makers of 'Ice Age' and 'Rio'.
'Epic' tells the story of a teenage girl who finds herself magically transported into a secret universe, where she must band together with a rag-tag team of fun and whimsical characters to save that world, which in turn rescues the real world from destruction.
This is the first film Beyonce has signed up to since giving birth to her daughter Blue Ivy in January.
'Epic' will be released May 24, 2013.
Beyonce will next star in the remake of 'A Star Is Born', playing an aspiring singer who falls for an older rock star in the movie, which will be directed by Clint Eastwood and his producing partner Rob Lorenzo.
This will be the fourth remake of the movie, with Barbara Streisand and Kris Kristofferson starring in the most recent version in 1976, Judy Garland and James Mason played the lovers in 1954 while the original featured Janet Gaynor and Frederic March.