Def Jam's Most Embarrassing Moments

If you haven't noticed, 2009 is a pretty big year for Def Jam Recordings. And it's not because they're home to some of the biggest names in pop music (Rihanna, Kanye West, The Dream). The iconic label that put rap on the mainstream map turns 25 this year, an anniversary that's being commemorated by a special CD box set and last night's VH1 Hip-Hop Honors tribute.

Well, as any fan of Def Jam's amazing musical catalog can attest, last night's event left a lot to be desired. Even Russell Simmons is rumored to be pissed about the half-assed production. But regardless of how dissapointing it was, it probably wasn't the most embarassing moment in the label's history. Take a look back at 10 moments that Def Jam probably wishes they could forget...