Watching a sex scene with your parents is awkward enough, but a sex scene featuring yourself? That's what celebrities like Zac Efron, Aubrey Plaza, and Julianna Hough had to go through, and somehow they all recuperated from the embarrassment to tell their cringe-inducing tales.

MUST SEE: Robert Pattinson, Aubrey Plaza, and More Stars You Had No Idea Had REAL Sex on Screen

Click through the gallery to see stars who admitted to watching their sex scenes with their parents!