Kimmel Asks Corden: Was He Miserable Doing Karaoke With Britney? And Does He Sing Better Than Fallon?

James Corden seemingly had a terrible time performing Carpool Karaoke with Britney Spears, but were looks deceiving? That was among the hot topics during a game of “Fill Your Guts or Spill Your Guts” with Jimmy Kimmel.

The CBS emcee challenged the Emmy host to a brutal round of the popular Late Late Show segment on Thursday, during which the late-night hosts took turns answering questions about some of their on-air segments and the people they work with on a daily basis. If they didn’t want to (or simply couldn’t) answer a question, they’d have to consume extremely unsavory food/drink.

Kimmel ghost-peppered Corden with Qs about the “Toxic” pop-star and whether he thinks he’s a better singer than Jimmy Fallon. His toughest question of all, however, was saved for the very end.

Corden, meanwhile, nearly started another late-night war when he asked Kimmel to name his least favorite host. And you’ll never guess what question left Kimmel with no choice but to down a bowl of bull penis. (Yes, bull penis.)

Watch the segment above, then answer the following question: Did Corden’s flop sweat tell you all you needed to know about what it must have been like to work with Britney?