"Top of the World" is a dance-pop song by the Amercican girl group the Pussycat Dolls, released only in United States and Canada on February 3, 2009. It is the theme song for the MTV reality series The City. It managed to peak at number 79 in the U.S. Billboard Hot 100 and 53 on the Canadian Hot 100.<!-- do not include iTunes charts it is against Wikipedia rules according to WP:record charts -->
The song was produced by Calvo Da Gr8 and written by The Writing Camp. The song was included on 2009 re-issue of Doll Domination which was released internationally. In Australia it was included on Doll Domination 2.0 which is a compilation album featuring a 10 of songs from the 2009 re-issue but not included on any British or Irish edition of the album. The song was featured as the theme song of the MTV reality series The City.