Released on April 11, 2011.
Written by Avril Lavigne, Max Martin and Shellback.
Produced by Max Martin and Shellback.
2nd single from Avril's fourth studio album Goodbye Lullaby (March 2011)
Released on July 3, 2006.
Written by Lily Allen, Iyiola Babalola and Darren Lewis.
Produced by Future Cut.
Lead single from Lily's debut studio album Alright, Still (July 2006)