text: how many albums of the backstreet boys are out ? name them.?   they've released five albums - the sixth is the international version of their debut album. they became much more popular after releasing the international version in '97, two years after the initial release in europe.   1. backstreet boys (1995) 2. backstreet boys [international version] (1997) 3. millennium (1999) 4. black & blue (2000) 5. the hits: chapter one (2001) 6. never gone (2005)  brian littrell also released a solo album called "welcome home" in may this year.