'Perception' Star Rachael Leigh Cook And 'The Originals' Actor Daniel Gillies Welcome Their Baby Boy

 star Rachael Leigh Cook and her husband Daniel Gillies, Cook welcomed the newest addition to their family - a baby boy!

The "She's All That" star gave birth to her second child on Saturday at 5 a.m. in Los Angeles.

E! News exclusively learned that the baby boy's name is Theodore Vigo Sullivan Gillies. He measured 20.5 inches and weighed 8 pounds, 14 ounces.

The celebrity couple's little boy joins his big sister Charlotte Easton Gillies, now 1 and a half years old.

Cook and Gillies officially tied the knot in August 2004. Cook gave birth to baby Charlotte in 2013.

At the time, the proud father tweeted, "It's a girl. The tiny new empress of my everything. She's immaculate. We're delirious."

RELATED Carrie Underwood Reveals First Full Body Photo Of Son Isaiah [SEE PIC]

The "Perception" actress and "The Broken Kingdom" director already talked about having a second child in under two years, Hollywood Life revealed.

"We're as happy as we were surprised by this wonderful news!" the couple told E! News in January. "We haven't slept since 2013 and welcome advice from all parents who survived Two Under Two."

Two days after giving birth, the "Into The West" star was seen grocery shopping at Pavilions in West Hollywood, Calif., an eyewitness told US Weekly.

RELATED Scott Disick Tells E News That Kourtney Kardashian Is Probably Pregnant Again: Was He Joking?

At least, the fans of the 35-year-old actress have something to celebrate especially after finding out that the rumored remake of her 1999 movie together with Freddie Prinze Jr., "She's All That," was a no deal.

Meanwhile, the 39-year-old actor currently stars as Elijah Mikaelson in The CW's "The Originals," which premiered its freshman season in Oct. 2013.

It was reported that the supernatural drama series was renewed for its third season, together with "The Vampire Diaries," which is returning for season 7.

Congratulations to the proud parents!