Looking for a 2015-ish movie. Plot - Little girl smoke cigarettes to impress her friends and then a grown man get her in his car. She decide to go with him on a trip without tell her parrents. She fall inlove with him and she is jealous when they arrive at a house where he meet his grown up girlfriend. Thats what I remember. The girl is a famous US child actress. Dunno her name tho.