Actress Teresa Palmer visited The Grove and talked with "Extra" host Mario Lopez about her new retro comedy "Take Me Home Tonight" -- and about rumors she's dating Zac Efron.

Palmer just laughed at that one. "For the record, I am single. I am not dating anyone."

As for her role in "Home," the actress plays an '80s hottie being pursued by an aimless college grad (Topher Grace) at a wild Labor Day weekend party. "I have this crazy big cowlick in the film," Palmer admitted. "It's my own hair, I mean they really teased it up!"

Check out "Take Me Home Tonight," in theaters Friday, March 4.

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