Elle Fanning: 'The Boxtrolls' Teaser Trailer!

Elle Fanning heads out of the dance studio on Friday afternoon (July 5) in North Hollywood, Calif.

The 15-year-old actress’ upcoming film, The Boxtrolls, just released its first teaser trailer.

PHOTOS: Check out the latest pics of Elle Fanning

Also featuring the voices of Simon Pegg, Toni Collette and Sir Ben Kingsley, The Boxtrolls follows an orphaned boy raised by underground creatures called Boxtrolls comes up from the sewers and out of his box to save his family and the town from the evil exterminator, Arichibald Snatcher.

The Boxtrolls opens in theaters in September 2014. 10+ pics inside…