"Nobody Knows" is a song by Pink, and was the fourth single from her fourth album, I'm Not Dead (2006). It was released on November 20, 2006 in Britain and Ireland and during January 2007 in Australia and Europe.
http://en.wikipedia.org/wiki/Nobody_Knows
http://en.wikipedia.org/wiki/I'm_Not_Dead_(album)
http://en.wikipedia.org/wiki/Pink
http://en.wikipedia.org/wiki/Nobody_Knows
http://en.wikipedia.org/wiki/I'm_Not_Dead_(album)
http://en.wikipedia.org/wiki/Pink