Katy Perry Ranks Her Famous Exes in Bed & Reveals The Real 'One That Got Away': Josh Groban

It's day 4 of Katy Perry's ongoing YouTube live stream to promote her new album Witness, and so far we've watched the singer sleep, do yoga and open up about past suicidal thoughts for an on-air therapy session.

But during a visit from James Corden to the live-stream set, Perry continued to spill new tidbits from her personal life -- like the fact that she wrote Teenage Dream hit "The One That Got Away" about rumored past fling Josh Groban.

"People say, 'Who is "The One That Got Away" about?' That's Groban," Perry told Corden, who challenged the star to a live match of the Late Late Show game "Spill Your Guts or Fill Your Guts." 

That's not all Perry revealed during the game, in which opponents either answer uncomfortable questions or are forced to eat intentionally disgusting foods (pickled pig's foot, anyone?). Corden also persuaded the artist to rank her exes Diplo, John Mayer and Orlando Bloom from best to worst in bed.

"They're all amazing lovers, and I would have sex with all of them after I get out of this place," Perry said -- though, for the record, she ranked Diplo third, Bloom a close second and Mayer number one.

The 24/7 stream is set to close up Monday night (June 12) with a live concert. But for now, watch as Corden challenges Perry to answer more awkward questions below, or tune in to the live stream now.


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