Jonas Brothers Take A Lie Detector Test During Carpool Karaoke

In James Corden's new Carpool Karaoke, the Jonas Brothers jam out while also taking a lie detector test.

All in good fun, and hilarious to watch, a couple of the questions asked include, Which brother gets on Joe's nerve the most? Does Nick think he's the best singer out of his brothers?

They also spilled on what to do to push each other's buttons and their purity rings.

Check it out below!

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