Mr. Brightside

Mr.

Brightside is a 2003 rock song by the American band The Killers, widely considered one of the defining tracks of the 2000s indie rock era.

The title character represents someone who insists on looking at the positive side despite painful circumstances—in the song's case, jealousy and heartbreak.

The phrase has entered casual speech for someone who maintains optimism in difficult situations, often with ironic undertones: I'm trying to be Mr. Brightside about losing my job, but it's hard.