"Look What You've Done" is a song by Australian rock band Jet, released on 8 March 2004 as the third international and fourth US single from their debut studio album, Get Born (2003).

The single was initially issued in the United Kingdom in March before being released in Australia the following month.

In the United States, it was serviced to rock radio formats in October 2004.

[5] Jet performed the song at benefit concert Live 8 on 2 July 2005.

[7] Two music videos were made for the song: One was of the band playing in a forest with animated creatures and a creature abducting them; the other video had band members playing in a white room, surrounded by photos of themselves.