It may not be like that right now, but there was once a time where T-Pain was THE man for hooks, and you could hear him on a song with just about every big-name artist under the sun. As one can imagine, the Atlanta singer has been in the studio with a ton of people – but there’s one in particular that he names as his biggest pain in the butt to work with: Diddy!

Appearing on Watch What Happens Live! last night, a fan called in to asked the question, and he was quick with his response, saying it was “fairly easy” to choose.

“I wouldn’t say pain in the a**, but Diddy was the most…what he called “motivating”…and it was a little discouraging.”

He goes into detail below!

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