Model Niki Taylor and NASCAR driver Burney Lamar are engaged, reports Us Weekly. The wedding is expected early next year. Lamar proposed at Taylor's parents' house in Florida last month and presented her a two-carat oval diamond in an antique setting, she told the magazine. Taylor and Lamar both participated in the Sound & Speed charity event in Nashville in January. Taylor dated Keith Urban in 2002 and 2003. She lives in Nashville and owns a boutique in nearby Franklin, Tenn.