John Mayer Tells Andy Cohen 'Clickbait' Story of How Shawn Mendes' Underwear Ended Up in His Hotel Room

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Andy Cohen and John Mayer pose for photos at SiriusXM Studios on May 13, 2019 in New York City. 

John Mayer sat down with his close friend Andy Cohen on the host's SiriusXM channel, Radio Andy, to chat about how they met, the Grateful Dead and celebrities Mayer has never interacted with.

In the midst of gushing over pop superstar Shawn Mendes, who the 41-year-old crooner says has "got what it takes to go all the way," Mayer decided to give the press a "clickbait story."

"This is a story thats designed for people to pick up, put in press and put in a headline. And the headline is, ‘How Shawn Mendes’ underwear ended up in John Mayer’s hotel room.’"

Well, John, you were right. 

The duo were working on "Like to Be You" off Mendes' 2018 self-titled album, when the young star remembered that he didn't have any more underwear. "Shawn says to me, ‘Hey man, do you think you could Postmates underwear? Can I Postmates underwear? I’m out of underwear," Mayer recalled. "I said, ‘You don’t have to Postmates underwear, I’ll get you underwear.' So I had my assistant go out and get Shawn Mendes underwear. He’s a size medium, by the way."

"So my assistant goes out and buys him a bag full of medium-sized boxer briefs. Not Calvin Klein, by the way, this was before that deal. We finish the song, he leaves the studio and doesn’t take the underwear with him." Mayer then kept Mendes' underwear for a while to return to him, but never had a chance to.

Besides the "In My Blood" singer's briefs, Mayer also delved into the canceled Woodstock 50 music festival, which he was scheduled to play at. "I’m as much as a spectator as anyone else is to this wildness," he explained. "It reminds me of the scene in Monty Python where the knight is missing the arm and the leg and he’s hopping up and down saying, ‘It’s just a flesh wound.'"

Listen below.