A headlight assembly for assembly adjacent at least one skin component of a vehicle includes a housing supporting at least one light and a lens attached to the housing. The lens includes at least one attribute for engaging the at least one skin component. The attribute may be a pin or an aperture formed in the lens which may extend a distance from a surface of the lens for guiding the skin component. The skin component may be a grille and the attribute may restrict movement of the headlight assembly relative the grille in a Y-axis direction forming a margin therebetween. The attribute may be a channel including a bracket for guiding the skin component, for instance, a facia into the channel. The attribute may be a cavity formed in the lens for receiving an overlapping portion of the skin component, for example, a grille.