Last night, Jermaine Dupri organized an event to celebrate the 20th anniversary of his label So So def. Many artists from the label performed, including Bow Wow, Da Brat, Anthony Hamilton, Dondria, Jagged Edge, Xscape, and more. There were also a couple of high profile special guests who showed up, including Jay-Z who performed his hit "Money Ain't A Thang" with JD, as well as a couple of his own tracks. Other notable appearances included Mariah Carey, Usher, Ludacris, & Nelly. 

Check out the slideshow for some of the photos from the event, as well as some of the performances below.