I claim the ornamental design for a headband and ponytail hair accessory, as shown and described.
FIG. 1 is a perspective view of the headband and ponytail hair accessory of the present invention on a user's head;
FIG. 2 is a top/rear isometric view of the headband and ponytail hair accessory of the present invention;
FIG. 3 is a top plan view of the headband and ponytail hair accessory of the present invention, the bottom plan view is not shown as it mirrors the top plan view;
FIG. 4 is a front elevation view of the headband and ponytail hair accessory of the present invention;
FIG. 5 is a side elevation view of the headband and ponytail hair accessory of the present invention, the opposite side view is not shown as it mirrors the view shown; and,
FIG. 6 is a rear elevation view of the headband and ponytail hair accessory of the present invention.
The partial human image shown in broken lines in FIG. 1 is for illustrative purposes only to show how the claimed design may appear when worn as a headband and ponytail hair accessory.