NSYNC (/ɛnˈsɪŋk/ ; sometimes stylized as *NSYNC , N*SYNC or 'N Sync ) was an American boy band formed in Orlando, Florida in 1996 and launched in Germany by BMG Ariola Munich. NSYNC consisted of Justin Timberlake , JC Chasez , Chris Kirkpatrick , Joey Fatone , and Lance Bass . After heavily publicized legal battles with their former manager Lou Pearlman and former record label Bertelsmann Music Group , the group's third album, No Strings Attached (2000), sold over one million copies in one day and 2.42 million copies in one week, which was a record for over fifteen years. A mong the group's singles, " I Want You Back ", " Bye Bye Bye ", " This I Promise You ", " Girlfriend ", " Pop " and " It's Gonna Be Me " reached the top 10 in several international charts, with the latter being a US Billboard Hot 100 number one. In addition to a host of Grammy Award nominations, NSYNC has performed at the World Series , the Super Bowl and the Olympic Games , and sang or recorded with Elton John , Stevie Wonder , Michael Jackson , Janet Jackson , Phil Collins , Celine Dion , Aerosmith , Nelly , Left Eye , Mary J. Blige , country music supergroup Alabama , and Gloria Estefan .