Bruce Willis' guest-starring role on Friends was praised by both the fans and cast. As we're going to reveal in the following, everyone was extra excited when it was announced that Willis would indeed appear on the show as Elizabeth's dad, Paul.

During his time on set, Bruce shot several scenes alongside Jennifer Aniston. Paul and Rachel went on several dates, though it didn't last once Paul tapped into his emotional side. It made for hilarious television, while showing the great range Bruce Willis had as an actor.

We're going to reveal how the cameo came to be, while also putting the spotlight on a rule Willis put in place for intimate scenes alongside Aniston.

It seems like Bruce's connection to a certain ex-husband made the actor pass on a kissing scene. We'll reveal what really happened, while also examining why it was hard for guest-stars to appear on the popular sitcom, according to Jennifer Aniston.