WATCH: Diddy & Mase Perform ‘Mo Money Mo Problems’ at Dr. Dre’s Pre-Grammy Bash

Diddy and Mase got together for a throwback performance of hit song “Mo Money Mo Problems” at Dr. Dre’s Pre-Grammys party this weekend. Check out the video footage above.

But, this wasn’t the only throwback set that night. Eminem joined Dr. Dre onstage for some rhymes and Blackstreet got up to perform the old hit “No Diggity”. Check it out in the clip below, compliments of TMZ.