Niki Taylor welcomes fourth child

Niki Taylor and Burney Lamar wed in December 2006.

Story highlights

  • Niki Taylor and Burney Lamar welcomed son Rex Harrison on Wednesday
  • Their son weighed in at 7 lbs., 5 oz.
  • Rex Harrison joins sister Ciel, 2½, and twin brothers Jake and Hunter, 16
It's a boy for Niki Taylor and Burney Lamar!
The model, 36, and her husband, former NASCAR driver Burney Lamar, welcomed son Rex Harrison on Wednesday, November 16 at 11:03 a.m.
Weighing in at 7 lbs., 5 oz., and measuring 19 inches long, baby boy joins sister Ciel, 2½, and twin brothers Jake and Hunter, 16.
Taylor and Lamar, 31 -- who wed in December 2006 -- announced they were expecting in May.
The model blogged her pregnancy for PEOPLE.com -- check out her entries here.