YMCMB held their annual pre-Grammy party in L.A. over the weekend and as usual, it was a star-studded affair. A majority of the team were in the building…Drake, Wayne, Twist, Cory Gunz, Birdman, Tyga, Busta Rhymes, Mack Maine, Jay Sean, Christina Milian and more…and of course their in-house photog Derick G captured it all on film. Get a look inside the big bash in the gallery below.