Niki Taylor gives birth to son Rex Harrison

Model Niki Taylor (R) and NASCAR driver Burney Lamar attend "The Celebrity Apprentice" Season 4 Finale at Trump SoHo on May 22, 2011 in New York City.
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Model Niki Taylor, right, and NASCAR driver Burney Lamar attend "The Celebrity Apprentice" Season 4 Finale at Trump SoHo on May 22, 2011 in New York City.
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(CBS) It's a boy!

Model Niki Taylor and former NASCAR driver Burney Lamar welcomed their son Rex Harrison on Nov. 16 at 11:03 a.m., according to reports.

Pictures: The stork club

Harrison weighed in 7 lbs., 5 oz. and was 19 inches long, reports Us Weekly. He joins older sister Ciel, 2, in addition to twins from Taylor's former marriage, Jake and Hunter, 16.

The 36-year-old '90s cover girl and 31-year-old Lamar were married in December 2006 and announced in May they were expecting, according to People magazine.

The former "Celebrity Apprentice" contestant said her daughter was excited about her new baby brother.

"She's going to be a great big sis!" Taylor told Us Weekly.