Beyonce signs up for 'Epic' role

Beyonce Knowles will voice Queen Tara in animated movie 'Epic'.

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'.