VIDEO : 18 Celebrities Who Refuse To Do Nude Scenes

While some actors and actresses are comfortable doing nude scenes in TV shows and movies, some refuse to take their clothes off in front of the camera. While starring in "Sex and the City," Sarah Jessica Parker had a "no nudity" clause in her contract. Actresses like Jessica Alba and Megan Fox say it's because they don't want their families to see them naked. Sex scenes are a staple in Hollywood movies and TV shows.