LOS ANGELES - JANUARY 11: Joey Fatone, Justin Timberlake, Chris Kirkpatrick, Lance Bass and JC Chasez attend the 26th Annual
Ron Galella, Ltd./WireImage

NSYNC said hi, hi, hi to each other on Monday night, when they reunited for a good friend's birthday party. JC Chasez celebrated his bday with Justin Timberlake, Chris Kirkpatrick, Joey Fatone and Lance Bass, and lucky for us, there's a photo to prove it.

No, the guys don't look much like they did in the above picture from 1999, but they still have the whole, adorable buddy-buddy thing going on.

Before heading out to the party, Kirkpatrick made sure to josh him a little bit on Twitter, too:

Lance's picture shows that they're still as goofy as ever:

Next, watch Joey Fatone's recent visit to Fuse, where he contends that fan's really "didn't know my personality" during the NSYNC days: