The ornamental design for a vehicleheadlamp, as shown and described.
FIG. 1 is a perspective view of a left vehicle headlamp showing our new design;
FIG. 2 is another perspective view thereof;
FIG. 3 is a front elevational view thereof;
FIG. 4 is a left side elevational view thereof;
FIG. 5 is a right side elevational view thereof;
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The novel design also includes an embodiment of a right vehicle headlamp which is mirror symmetrical to the embodiment of FIGS. 1-7 and therefore is not separately illustrated.