Having a hundred people watch you and getting unexpected boners, that about sums up how awful sex scenes in Hollywood movies can be for actors.
Movie Pilot rounded up the most embarrassing sex scenes that celebrities regretted in their career.
Jennifer Lawrence felt really guilty to be in a scene with Chris Pratt, who was married. Henry Cavill got a bit of a 'reaction' with an actress on top.
Check out the gallery to read more about the celebs' experiences.