Photos: Jermaine Dupri’s So So Def 20th Anniversary Concert (Jay-Z, Usher,Mariah Carey, Bow Wow & More)

Jay-Z and Jermaine Dupri Perform "Money Ain't A Thing"

....see more photos after cut,,

Jermaine Dupri

               Mariah Carey & Jermaine Dupri

Jermaine Dupri & Young Jeezy

Lil Jon, Ludacris & Jermaine Dupri

Ludacris & Jermaine Dupri

Ludacris, Lil Jon & Usher perform "Lovers & Friends."

Usher

Jermaine Dupri & Anthony Hamilton

Nelly

Bow wow

T-pain

Jermaine Dupri & Dem Franchise Boyz.

Lil Scrappy