"Check on It" is a song performed by American R&B singer Beyoncé Knowles, featuring American rapper Slim Thug. It was composed by Knowles, Kasseem "Swizz Beatz" Dean, Sean Garrett, Angela Beyincé and Stayve Thomas. The song was supposed to be featured on the soundtrack album for 2006 film The Pink Panther, in which Knowles co-stars. As it was ultimately not included on its soundtrack album, the song with additional vocals from Slim Thug was featured as a new track on the 2005 Destiny's Child's greatest hits album #1's. It was also later made available as a bonus track on the deluxe edition of Knowles' second studio album, B'Day (2006) in selected European territories in 2007. Columbia Records released the song in the United States on December 13, 2005.
The song's development was motivated by the phrase 'Check on It' which Knowles and her management jokingly used before they decided to turn the idea into a song. "Check on It" derives genres from R&B as well as hip hop and lyrically, the song takes place in a club, where Knowles is letting the male patrons know that they are welcome to come and look at her sexually attractive body when she is dancing. The track consists of two...