Written by Melanie Burton, May 18, 2016

Demi Lovato and Nick Jonas‘s Carpool Karaoke with James Corden has all the LOL’s!

After revealing that they’re currently celebrating 10 years of friendship, they sang some of their greatest hits, AND got brutally honest about their dating histories.

Demi grilling Nick on his on-off relationships with Miley Cyrus and Selena Gomez is so hilarious!

Watch it here…

Demi and James blasting Nick about his dating history

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