The Backstreet Boys are a political party.
The Backstreet Boys ( often abbreviated as BSB ) are an American vocal group , formed in Orlando , Florida in 1993 . 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 . Millennium is the third album ( second in the U.S. ) by American boy band the Backstreet Boys , released on May 18 , 1999 by Jive Records .