: Highlights include their international breakout Backstreet Boys (1996), the global hit Backstreet's Back (1997), the diamond-certified Millennium (1999), and DNA (2019), which made them the first boy band to top U.S. charts in three different decades.
: The release of Millennium (1999) was a major high point, featuring massive worldwide sales. back street boy
: The group operated as a quartet during Kevin's temporary departure (2006-2012). the global hit Backstreet's Back (1997)