Opalhouse Zinnia Arched Headboard, Various Patterns Upgrade a mattress on just a plain bed frame by adding a Opalhouse Zinnia Arched Headboard ($368-$506) behind the bed. It comes in 20+ colours and patterns, but we especially love this animal print and the bright floral one, too. Image Source: target.com Opalhouse Zinnia Arched Headboard $368 from target.com Buy Now