nsync, (sometimes called *nsync or 'n sync) was an american pop boy band formed in orlando, florida in 1990. the five members of the group were justin timberlake, jc chasez, chris kirkpatrick, joey fatone and lance bass. the group's second album, no strings attached, sold over one million copies in one day and 2.42 million copies in one week, which was a record for over fifteen years. they also provided songs on the billboard hot 100 including bye bye bye, tearin' up my heart and it's gonna be me, which became nsync's only number-one song on the chart. they took a break after their very last concert on march 29, 1997, but never released new music since. afterwards, timberlake and chasez released solo albums. justin timberlake went on to become one of the world's best-selling music artists, with more than 56 million records sold throughout his solo career.