50 YEARS OF THE INFAMOUS BIG MAC! 🍔 McDonald's are celebrating the only way they know how by adding a GRAND BIG MAC to the menu (it's juicy and delicious!) 😝😍 Plus they've added a FLAKE mcflurry to help celebrate the half century of the Big Mac 🍟🍔🍦#McDonaldsMacarthur #GrandBigMac #50years #Halfcentury #Rosemeaddow @ McDonald's Rosemeadow