A changing curtain apparatus includes a flexible peripheral wall having an upper edge and a lower edge. The peripheral wall has a break therein extending between and through an upper edge and a lower edge of the peripheral wall to define an opening into an enclosure defined by the peripheral wall. Each of a plurality of loops is attached to the upper edge. A support extends through the loops and has a pair of free ends each comprising a hook. A vehicle has a plurality of door windows. Each of the hooks is mounted on one of the windows so that the support extends outwardly from the vehicle.