Backstreet Boys are an American vocal group, formed in Orlando, Florida in 1993. The band originally consisted of A. J. McLean, Howie Dorough, Brian Littrell, Nick Carter and Kevin Richardson. In 2006 Richardson left the group to pursue other interests leaving the band as a four-piece, but the remaining members did not rule out a possible return of the singer. They rose to fame with their debut album, Backstreet Boys (1996). The following album, Backstreet's Back (1997) continued the group's success worldwide. They rose to superstardom with their album Millennium (1999) and its follow-up album, Black & Blue (2000). After a three-year hiatus, the band regrouped and have since released three albums: Never Gone (2005), Unbreakable (2007) and This Is Us (2009). The band has sold over 130 million records worldwide, making them one of the biggest selling groups of all time. According to Billboard, they are the first group since Sade to have their first seven albums reach the top 10 on the chart. Cousins Kevin Richardson and Brian Littrell, both of whom came from Lexington, Kentucky, initially began singing in local church choirs and festivals while they were children. Howie Dorough and