It is difficult to pinpoint the most iconic and memorable sex scene featuring a Hollywood celebrity in cinema history as opinions may vary based on personal preferences and cultural context. However, one scene that has been widely discussed and regarded as a classic is the pottery-making scene in the 1990 film Ghost starring Patrick Swayze and Demi Moore. In the scene, Swayze's character, a ghost, possesses the body of a living man to make love to Moore's character while they create pottery together. The scene is known for its sensuality and romantic atmosphere, as well as its use of the song Unchained Melody by The Righteous Brothers.
Another notable sex scene featuring a Hollywood celebrity is the spanking scene in the 2002 film Secretary starring James Spader and Maggie Gyllenhaal. In the scene, Spader's character, a lawyer, spanks Gyllenhaal's character, his secretary, during a sexual encounter in his office. The scene has been praised for its depiction of BDSM and its exploration of power dynamics in relationships. It has also been cited as a turning point in mainstream cinema's representation of alternative sexual practices.