` N Sync released a long-awaited album , No Strings Attached , in March 2000 , which became the fastest-selling album of all time with 2.4 million copies sold in its first week and produced a # 1 single , `` It 's Gonna Be Me '' . In March 2000 , ` N Sync released a long-awaited album , No Strings Attached , which became the fastest-selling album of all time with 2.4 million copies sold in its first week and produced a # 1 single , `` It 's Gonna Be Me '' .