It’s a blue world for Niki Taylor! The Celebrity Apprentice alumna welcomed her third son today! Rex Harrison weighed 7 pounds, 5 ounces and was 19 inches long. Rex is the second child for Taylor and her husband, former NASCAR driver Burney Lamar; Rex’s big sister is Ciel (2.5). He also has two big brothers to take after: 16-year-olds Jake and Hunter, from Taylor’s previous marriage.