2 Chainz & Allen Iverson Riders

2 Chainz and Allen Iverson have lavish taste buds ... ESPECIALLY when it comes to their booze.

We got a hold of the rapper and the NBA legend's rider for the bash they're hosting at Republic in New Orleans for NBA All-Star weekend, and the duo is damn clear about 1 thing -- ballers only chug, mix and spray the best liquor.

2 Chainz demands 4 bottles of Ace of Spades, 3 bottles of Dom Perignon and 3 bottles of Ciroc, different flavors. BTW, his Dom MUST have the glow-in-the-dark label. Big boy toys.

AI is less picky -- he wants 3 bottles of vodka, and only says nothing cheap ... "has to be top-shelf." He does, however, specify 6 bottles of Moet Rosé champagne, 3 bottles of Hennessy and Patron,…