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Evan Rachel Wood is a mother.

"Evan Rachel Wood and her husband Jamie Bell are parents to a beautiful baby boy," the actress's rep confirmed to ABC News. "Parents and baby are all doing well."

The 25-year-old "True Blood" actress, who has appeared in films including "The Wrestler" and "The Ides of March," married Bell, 27, in 2012.

She announced she was expecting in January.

Photos: Summer Celeb Baby Boom!

Since then, she was tweeted regularly about her pregnancy.

"I can't wait for my own Littlefoot to get here!" she wrote, including a link the film "The Land Before Time."

"When a pregnant woman says she just 'rolled' out of bed, she is being very serious," she added a few days later.