Check out Justin Timberlake, J.C. Chasez, Joey Fatone, Lance Bass and Chris Kirkpatrick harmonize a few of their biggest hits, below. Did your favorite performances make the cut?
Their First TRL Appearance
Britney Would Like To "Introduce To You Some Friends Of Mine"
Sharing The Grammy Stage with Nelly
Putting The "Me" in Movie Awards
'NSYNC? Oh, They're The Biggest Dolls...
Getting Creative With TVs
Slowing Things Down in Atlantis
Singing Pop with The King of Pop
The Super Bowl Halftime Show