Justin Timberlake Reunites With NSYNC…For One Night Only!

NSYNC File Photo HBO\

No, it is not 1999. Justin Timberlake actually reunited with his NSYNC band-mates last night in Los Angeles...for a birthday party.

JC Chasez turned 40 last night and the NSYNC gang was there. Joey Fatone, Lance Bass, Chris Kirkpatrick, and yes....Justin Timberlake.

JC's 40th... And, if you don't know now you know...

A photo posted by Justin Timberlake (@justintimberlake) on

Timberlake even posted the photo to his instagram to his 33.4 million followers.-DocFB

Diagnosis: NSYNC broke up in 2002.