Courteney Cox Reveals Her Favorite ‘Friends’ Episode Cox played Monica Geller on the hit TV show br and recently admitted she has been binge-watching br the comedy for the first time during quarantine. She even shared which episodes br she enjoyed watching the most. Courteney Cox, br to Ellen DeGeneres Courteney Cox, br to Ellen DeGeneres Cox also confessed that playing br "overweight Monica" was one of the best br things about the role because she felt "so free.