FIG. 1 is a top front perspective view of a nail appliqué showing my new design, the phantom lines showing the finger being for illustrative purposes only and forming no part of the claimed design;

FIG. 2 is a top plan view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a left side elevation view thereof; and,

FIG. 6 is a rear elevation view thereof.

The bottom view (not shown) forms no part of the claimed design.