Jermaine Dupri and all of the So So Def family are celebrating their 20th anniversary. JD threw a private dinner for all members, family and friends.

Bow Wow, Chris Kelly of Kris Kross, Jagged Edge, Da Brat, Xscape members Tiny and LaTocha, Bonecrusher, YoungBloodz, Dem Franchise Boyz and more were in attendance.

The So So Def anniversary concert will be held tomorrow in Atlanta at the Fox Theater.