By Jake Coyle, AP Film Writer CANNES, France — In the last few years, Shia LaBeouf has recast himself as a conceptual artist; gravitating to more experimental filmmakers and repeatedly raised eyebrows for his antics, famously including wearing a paper bag over his head at a Berlin Film Festival premiere. But at the Cannes Film Festival on Sunday, LaBeouf arrived clean-cut, orderly and bag-less — and with a film that’s earning him some of the best reviews of his career. Actor Shia Labeouf poses for photographers during a photo call for the film American Honey at the 69th international film festival, Cannes, southern France, Sunday, May 15, 2016. (AP Photo/Lionel Cironneau) In Andrea Arnold’s “American Honey,” which is competing for the Palme d’Or, LaBeouf stars alongside newcomer Sasha Lane as a leader of teenage drifters who travel the Midwest plains in a van, going town to town to sell magazine subscriptions. [...]