Cop Your XXL Merch Now Lil Uzi Vert is facing a lawsuit from a production company who claims the rapper is refusing to pay a $500,000 unpaid bill. Lil Uzi Vert Sued for Unpaid Production Bill of Over $500,000According to a lawsuit obtained by XXL, production company M99 Studios, LLC is suing Lil Uzi Vert for allegedly refusing to pay over $500,000 in unpaid bills. In their suit, which was filed on Wednesday (June 12) in Atlanta, the Los Angeles-based company claimed that Uzi, real name Symere Bysil Woods, has failed to pay them for services rendered at their festival and tour performances over…