She is best known for that radiant, infectious smile//
@And Elle Fanning seemed to lose all control of it as she slipped out of LA*s Chateau Marmont in the early hours of Sunday morning//®
@The 17 year old burst into a fit of giggles as she headed with a friend along Sunset Boulevard after a night out at the exclusive hotel//®
@ Even after getting into his car and driving off, the two companions could not seem to stop chuckling//
The Maleficent star wore a black off the shoulder crop top with jeans and black flat sandals//
The young actress seemed to feel warm enough not to wear the varsity jacket she was carrying//®
@In the same vein she was happy enough to let her long blonde hair fall across her make up free face, even though she had a hair tie at her disposal on her wrist//®
@On Thursday Dakota Fanning*s little sister looked a bit more composed but no less happy when she attended the opening night of Outfest in LA in ribbon riddled cocktail dress//®
@She later went onstage the Orpheum Theatre to serve presenting duties at the LGBT festival, which runs through July 19//®