Last night some of music’s biggest stars in Hip-Hop and R&B came out to celebrate Def Jam Records 30th Anniversary. Some of their former & current roster of acts took over the stage at the Barclays Center in Brooklyn,NY. Check out pics & videos from last nights big concert would included performances from Onyx , EPMD, Foxy Brown , Method Man , Redman , 2 Chainz , Big Sean , Fabolous , DMX , Ja Rule, Ashanti , Swizz Beatz , Rick Ross, French Montana , Stalley & more below.