The ornamental design of a vehicleheadlight, as shown and described.
FIG. 1 is a perspective view of a left vehicle headlight (the right vehicle headlight is a mirror of the left and is not illustrated but nonetheless covered by this patent);
FIG. 2 is a front elevational view of the vehicle headlight;
FIG. 3 is a top plan view of the vehicle headlight;
FIG. 4 is a bottom plan view of the vehicle headlight;
FIG. 5 is a right elevational view of the vehicle headlight; and,
FIG. 6 is a left elevational view of the vehicle headlight.
Portions surrounded by broken lines are not claimed.