Mariah Carey Shopping Trip Starts Brawl in Paris

When Mariah Carey goes highbrow shopping in Paris, you know what has to happen — two chicks smacked up a guy … on camera!

Mimi was fine, but the fans who rallied Wednesday outside the famed Alaia couture and perfumerie … were all zut alors and sacre bleu!

Everyone seemed cool when MC strolled in — selfies and smiles all around — but someone must’ve photobombed somebody’s shot, ’cause once Mariah got inside all hell broke loose. Watch the video and continue reading at TMZ…