Backstreet Boys is a musical group.
Backstreet Boys . The group rose to fame with their debut international album , Backstreet Boys ( 1996 ) . The group then released two albums as a quartet : Unbreakable ( 2007 ) and This Is Us ( 2009 ) . 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 .