Shia LaBeouf has been making a few controversial statements recently, including revealing that he dropped acid for the making of The Necessary Death of Charlie Countryman and that he'll be stripping off to have real sex in Lars Von Trier's The Nymphomaniac.

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This week, the Transformers star appeared on Chelsea Lately's chat show to talk about his latest release. Watch the interview above where he talks about his "really homophobic evening" with his Lawless co-star and how he feels about working with "very dangerous director" Lars Von Trier.

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  • The sex was real in 9 Songs, Michael Winterbottom's 2004, which film is often said to be the most sexually-explicit mainstream film ever released.

  • Antichrist director Lars Von Trier included real sex between stars Willem Dafoe and Charlotte Gainsbourg in this film

  • The Postman Always Rings Twice reportedly saw Jack Nicholson and Jessica Lange have sex for real

  • Sienna Miller has denied it, but an on-set insider claimed that the sex scenes between Miller and on-screen (and reportedly off-screen) love interest Hayden Christensen in Factory Girl were very real

  • "It's not about sex it's about sexuality," claims the trailer for Shortbus, a film full of real-sex.

  • Béatrice Dalle and Jean-Hugues Anglade were rumoured to have had sex in this 1986 French film.