Taylor Swift Has Joined the Cast of “The Lorax”!

TAYLOR SWIFT has joined the cast of "The Lorax"... based on the classic DR. SEUSS book of the same name.

She'll provide the voice for Audrey, the love interest of ZAC EFRON'S character, Ted.  DANNY DEVITO is playing the title character... while additional voices will be provided by ED HELMS and BETTY WHITE.  The movie is due out next March.