A decorative light bar accessory having a three-sided frame of two frame sides and a frame middle segment, each of the frame sides and the frame middle segment having a frame top and a frame back, the frame sides being attached to the frame middle segment at approximately right angles and having a free frame end, each frame top having a plurality of spaced apart holes, the holes sized to accommodate hooks for decorations that are suspended therefrom, and the free frame ends being adapted to suspend the decorative light bar accessory over a light bar. A light bar accessory kit includes packaging with instructions; the light bar accessory; and decorative elements to be disposed on the accessory. This unique system allows consumer to affordably upgrade an existing light systems to newer and more appealing appearances, increasing the desirability of the home and realty.