Bradley Cooper was a guest on "The Tonight Show With Jimmy Fallon" on Monday night to discuss his return to Broadway in the play "Elephant Man."
The two also went head-to-head in an epic game of "Egg Russian Roulette," which involved quite a bit of egg smashing, taunting and use of the word "bro."
The two also suffered an extreme case of the giggles, which lasted for nearly 10 minutes. Let me warn you, the laugh is contagious. Watch below: