The "Live" host introduced the segment as one "in honor of Kanye West's appearance."
"Since tonight is a night in which we'll be focused on a Twitter battle," Kimmel said, he'd asked famous musicians to read mean things people had written about them on Twitter.
Selena Gomez, Jared Leto, Kid Rock, John Legend, Demi Lovato, Katy Perry, Lil Wayne, the Backstreet Boys and John Mayer are just a few of the musicians who showed up.
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