The ornamental design for a vehicleheadlamp, as shown and described.
FIG. 1 is a perspective view of a vehicle headlamp showing my new design.
FIG. 2 is a front view thereof.
FIG. 3 is a left side view thereof.
FIG. 4 is a top view thereof.
FIG. 5 is a rear view thereof.
FIG. 6 is a right side view thereof; and,
FIG. 7 is a bottom view thereof.
The de-emphasized portions shown inside the broken lines illustrate portions of the vehicle headlamp that form no part of the claimed design, the broken lines represent an unclaimed boundary that forms no part of the claimed design.