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It's the popular segment during Jimmy Kimmel Live! where celebrities often poke fun at people's opinions of themselves.
But Niall Horan looked genuinely upset during the Mean Tweets part of the show when a Twitter user made fun of his appearance.
Horan - Everyone - Direction - Star - Face
'Niall Horan is ugly goodnight everyone,' read the bemused former One Direction star, 24, before his face dropped.
Nick Jonas, Pink and Zendaya also joined Niall among the latest celebrity guests on Jimmy Kimmel's Mean Tweets segment.
Jimmy - Kimmel - Live - Segment - Tuesday
In the popular recurring Jimmy Kimmel Live! segment on Tuesday, celebrities were invited on the show to read mean tweets, written by strangers, about themselves.
'Nick jonas was cute back when he was in the jonas brothers and now he looks like a ferrit [sic],' went one Tweet, read aloud by the 25-year-old Jealous singer...
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