Niki Taylor Gives Birth

Niki Taylor and Husband Burney Lamar

Supermodel, Niki Taylor and her husband, former NASCAR driver Burney Lamar welcomed son Rex Harrison on Wednesday at 11:03 a.m., her rep confirms to Us Weekly.

The newborn weighed 7 lbs., 5 oz. and measured in at 19 inches long.

He joins older sister Ciel, 2, and twin bothers Jake and Hunter, 16 (with Taylor’s ex-husband Matt Martinez).