Justin Timberlake is celebrating 20 years of The former *NSYNC singer took to Instagram on Wednesday to give the boy band's hit album a shout-out. was *NSYNC's fourth and final studio album and was released July 24, 2001.«20 years already?! What a time to be alive,» Timberlake, 40, wrote alongside a photo of the album cover art and a behind the scenes video of the band's photoshoot.