Reese Witherspoon Welcomes Baby Boy Tennessee James!

Reese Witherspoon is a mom again!

The 36-year-old actress welcomed a baby boy, named Tennessee James, in a Los Angeles on Thursday Sept. 27, her tells confirms to Us Weekly:

"Reese Witherspoon and husband Jim Toth welcomed Tennessee James into their family today. Both mom and baby are healthy and the entire family is thrilled."

This is Witherspoon's third child, and her first with second husband Toth; Us broke news of the Oscar-winner's pregnancy back in March 2012.

PHOTOS: Reese Witherspoon's baby bump style

Witherspoon shares custody of daughter Ava, 12, and son Deacon, 8, with ex-husband Ryan Phillippe, 37, from whom she split in 2006 after 7 years of marriage.

Toth, 41, a high-powered CAA agent, and the Water for Elephants star in March 2011 at the actress' $10 million ranch in Ojai, Calif. (which Witherspoon recently put back on the market) after over a year of dating.

PHOTOS: Reese and her happy family

"Before Jim met Reese, he wasn't sure about having kids," a source told Us Weekly in March. "Being around her kids has really shown him what it's all about." Added another insider, "Settling down with Jim and raising a family is what [Reese] wanted."

PHOTOS: Reese's body evolution

It was definitely a working pregnancy for the star, who braved the hot summer temperatures in Georgia to film The Devil's Knot in July. Although Witherspoon was very visible around town, she spoke very little about the pregnancy.

"I'm feeling very round tonight," she said simply to the Chicago Sun Times on June 23. "After I finish [Devil's Knot], I'm going to take a little time off -- and go have a baby!" she added.

This article originally appeared on Usmagazine.com: Reese Witherspoon Welcomes Baby Boy Tennessee James!