The Backstreet Boys (sometimes referred to as BSB[1]) are an American vocal harmony group,[2] formed in Orlando, Florida in 1993. The group consists of A. J. McLean, Howie Dorough, Nick Carter, Kevin Richardson, and Brian Littrell. They rose to fame with their debut international album, Backstreet Boys (1996). In the following year, they released their second international album Backstreet's Back (1997) and their debut album in the United States which continued the group's success worldwide. They rose to superstardom with their third studio album Millennium (1999) and its follow-up album, Black & Blue (2000).
After a two-year hiatus, they regrouped and released a comeback album Never Gone (2005). Richardson left the group after the conclusion of Never Gone Tour in 2006 to pursue otherinterests.[3] The group then released two albums as a quartet: Unbreakable (2007) and This Is Us (2009).

In April 2012, the group announced that Richardson had rejoined them permanently,[4] and by July, they had started working on their next studio album.[5] The group also made their very first performance as a reunited five-piece in August, as part of Good Morning America's Summer Concert Series.[6]

The Backstreet Boys have sold over 130 million records worldwide,[7] making them the best-selling boy band of all time,[8] and one of the world's best-selling music artists. According to Billboard, they are the first group since Sade to have their first seven albums reach the top 10 on the Billboard 200.[9] They are also set to receive a star on the Hollywood Walk of Fame in 2013.[10][11][12]