VIDEO : Shawn Mendes Would Pay For Beiber's Used Underwear

Shawn Mendes got into the passenger seat with James Corden for Carpool Karaoke.

Corden jokingly said that Just Beiber throws out his underwear after one use and auctions them off.

Mendes then said he'd pay up to $500 for a pair of used Beiber underwear.

When asked if he would pay for Corden's underwear, Mendes said, "I'd pay to not to have a pair of your underpants."