The Backstreet Boys are a group.
Backstreet Boys . They rose to superstardom with their third studio album Millennium ( 1999 ) and its follow-up album , Black & Blue ( 2000 ) . Black & Blue is the fourth ( third in the U.S. ) album of the American vocal-pop group Backstreet Boys . This Is Us is the seventh studio album , sixth in the United States , from American pop group Backstreet Boys .