Jay-Z stole the show in 2009 when he crashed Young Jeezy's set to premiere “D.O.A.”, a record he'd debuted on Hot 97 just two days prior. As if that wasn't enough, in a strange turn of events, T-Pain—the man responsible for the popularity of Auto-Tune—snuck onto the stage during Hov's performance and stood by him as he delivered his anti–Auto-Tune track. So Brooklyn!