Reese Witherspoon Welcomes Son Tennessee James

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In March, a source told PEOPLE that the actress, 36, was eager to have another child. "Right after the wedding, Reese expressed a desire to have a baby with Jim," said the source. "Reese has been very open with her kids about her plans to expand the family."

Witherspoon, who initially kept her pregnancy under wraps, subsequently showed off her baby bump all around the world over the spring and summer — from appearances at the Cannes Film Festival to lunches and errands at home in Los Angeles. "Frankly, I'm feeling very round," she told reporters in June.

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Read more about the meaning of Reese Witherspoon's baby's name on Parents.com's In Name Only blog.

Image: Reese Witherspoon, via Featureflash / Shutterstock.com