The Backstreet Boys are a girl group.
The Backstreet Boys ( often abbreviated as BSB ) are an American vocal group , formed in Orlando , Florida in 1993 . They rose to superstardom with their third studio album Millennium ( 1999 ) and its follow-up album , Black & Blue ( 2000 ) . The Backstreet Boys have sold over 130 million records worldwide , making them the best-selling boy band in history , and one of the world 's best-selling music artists . Backstreet Boys is the self-titled international debut studio album by American boy band Backstreet Boys .