The ornamental design for a vehicleheadlight, as shown and described.
FIG. 1 is a front view of a left vehicle headlight, as seen from the front of a vehicle (the right vehicle headlight being a mirror and is not illustrated);
FIG. 2 is a left side elevational view of the vehicle headlight;
FIG. 3 is a right side elevational view of the vehicle headlight;
FIG. 4 is top plan view of the vehicle headlight;
FIG. 5 is a bottom plan view of the vehicle headlight; and,
FIG. 6 is a rear elevational view of the vehicle headlight.
Views are orthogonal projections unless otherwise noted. The functional features are not claimed.