The basic premise of the game is that Jimmy Fallon and Kevin Spacey are each in a Phone Booth.

For each question they get wrong or their opponent gets right, another celebrity is added to their phone booth.

We bet Kevin Spacey is wishing he knew what ingredients were in a Manhattan cocktail!

Want more? Here's a bit we love from Will & Woody – catch the boys weekdays from 4PM on KIIS101.1!