Mila Kunis has revealed she used a body double during her sex scenes in Friends With Benefits.
The 27-year-old was prepared to show 'side-boob' in the romantic comedy with Justin Timberlake, but stopped short of revealing her naked behind.
The pair play two friends who embark on a purely physical relationship in new movie.
Naked ambition: The actress gets up close and personal with Justin Timberlake in the romantic comedy