Reese Witherspoon Gives Birth to Son Tennessee

Reese Witherspoon is officially a mother of three.

The actress gave birth to her third child, son Tennessee James Toth, on Thursday, September 27, ET confirms.

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

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This is Witherspoon's first child with Toth, who she married in March 2011.

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Tennessee joins her two children with ex-husband Ryan Phillippe, Ava, 13, and Deacon, 8.