Justin Timberlake is celebrating 20 years of Celebrity.

Timberlake took to Instagram on Wednesday and gave a nod to *NSYNC’s fourth and final studio album. The iconic boy band topped charts with Celebrity when it was released on July 24, 2001.

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“20 years already?! What a time to be alive,” Timberlake, 40, wrote.

The “Palmer” actor’s *NSYNC cohorts shared their enthusiasm in the comments section of Timberlake’s post.

“Yes we old!!” commented Joey Fatone, 44, while 42-year-old Lance Bass echoed that sentiment with a “👴🏻” emoji.

Celebrity fans also chimed in.

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“Young BOSS,” wrote Tom Brady.

“Legends,” added rapper Juicy J.

“One of the highlights of my life people,” wrote Erin Andrews.