When two stars collide there are always fireworks!

So when Rihanna and George Clooney met on Ellen’s famous couch we just knew we were in for a treat.

The pair played a game of Never Have I Ever and discussed getting drunk before noon and what defines a hook up!

Be warned after watching this clip you’ll be left with mental images of George Clooney swimming naked in a lake.

You’re welcome!

Want more? Here's one of our fave moments from Jase & PJ – they’re always up to something! Weekdays from 6AM on KIIS 101.1!