Monica: Demi Moore is not a "he"...
Phoebe: Well, he was a "he" in Arthur and in 10.
Monica: That's "Dudley" Moore!
Dudley Moore was an English actor and comedian who starred in the 1979 romantic comedy 10, written and directed by Blake Edwards, and the 1981 romantic comedy Arthur, written and directed by Steve Gordon.
Demi Moore is a Golden Globe-nominated American actress, perhaps best known for her appearances in the 1990 supernatural thriller Ghost and the 1992 military drama A Few Good Men.