"Who Knew" is a song by American singer Pink from her fourth studio album, I'm Not Dead (2006). Written by Pink, Max Martin and Lukasz "Dr. Luke" Gottwald, the song was originally released on May 8, 2006, by the LaFace label to radio as the album's second single, but was only a moderate success. The song saw more success upon its re-release in the United States in June 2007. Musically, "Who Knew" is a pop song. Lyrically, it regards the loss of a good friend of hers.
Who Knew
The song was compared by some critics to Kelly Clarkson's hit "Since U Been Gone".
Alecia Beth Moore, known professionally as Pink, is an American singer, songwriter and actress. She is known for her rock-influenced pop songs and powerful voice.
Pink at Olympiastadion, Munich, in 2019
Pink performing in 2006
Pink at a London performance to promote the Funhouse album, November 2008
Pink performing at Main Square Festival in 2010