Taylor Swift joins cast of 'The Lorax'

Taylor Swift has joined the voice cast of forthcoming animated film Dr Suess's The Lorax.

Actors including Ed Helms, Danny DeVito, Rob Riggle, Zac Efron and Betty White are also contributing their vocal talents to the children's book adaptation.

Swift will voice Audrey, a girl who is the object of Efron's character Ted's affection, Universal Pictures has announced.

DeVito will voice the title character, a forest creature that "shares the enduring power of hope".

Despicable Me director Chris Renaud is helming the 3D-CGI movie.

Previous Dr Seuss tales that have been adapted into films include Horton Hears a Who!, The Cat in the Hat and How the Grinch Stole Christmas.

The Lorax is slated to arrive in US cinemas on March 2, 2012.

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