During a surprise appearance with Ellen DeGeneres, the members of NSYNC opened up super hardcore.

One of the fun facts we learned was that all of them hooked up with someone on a tour bus, but haven’t all hooked up with someone double their ages.

Also, they’ve forgotten their own song lyrics on stage, but have refrained from hooking up with someone while listening to *NSYNC songs.

But perhaps most surprising of all: Justin Timberlake may or may not have hooked up with a Spice Girl. Watch the video below: