"I Don't Care" is a song by American rock band Fall Out Boy and the lead single from the group's fourth studio album Folie à Deux in 2008. It was first available for listening on the band's website and mozes.com on September 3, 2008. The song impacted radio on September 16. It is its album's best known song, being certified platinum by the Recording Industry Association of America (RIAA), denoting shipments of one million units, with over 500,000 sales in its first four months alone. In the United States, the song reached No. 21 on the Billboard Hot 100, placing lower than the No. 2 lead single, "This Ain't a Scene, It's an Arms Race", of the band's previous 2007 album Infinity on High. It received radio play at Modern Rock and Pop stations, charting at No. 21 on Billboard's Hot Modern Roc