BBC Radio 1's "Playground Insults" feature is a small work of genius. As hosts Scott Mills and Chris Stark look on - much like tennis commentators - two celebs sit facing each other and let the insults fly.
On the latest episode, America's girlfriend and boyfriend Jennifer Lawrence and Chris Pratt go at it.
What's your favorite insult? Ours is a tossup between "You are so old...your publicist is a registered nurse," and "I recently told you that you act the way Adele sings. I hate Adele."