'Bones' Star Emily Deschanel & Husband Welcome Baby Boy

David Hornsby and Emily Deschanel attend the Humane Society's 25th annual Genesis Awards at the Hyatt Regency Century Plaza in Century City, Calif. on March 19, 2011 David Hornsby and Emily Deschanel attend the Humane Society's 25th annual Genesis Awards at the Hyatt Regency Century Plaza in Century City, Calif. on March 19, 2011

It’s a boy for “Bones” star Emily Deschanel and husband David Hornsby.

The actress, 34, and the “It’s Always Sunny in Philadelphia” star had their first child on Wednesday, Henry Hornsby, the actress’ rep confirmed to People.

Emily’s “Bones” co-star TJ Thyne congratulated the new mom on Twitter on Wednesday.

“CONGRATULATIONS EMILY D!!!!!!!!!!!!!! Yay yay yay!!!” he Tweeted.

After Emily announced she was expecting in April, sister and “New Girl” star Zooey Deschanel expressed her excitement over the pregnancy news, Tweeting, “I am super excited to be an aunt!”

Emily, who reportedly stuck to a vegan diet during her pregnancy, married David in September 2010.

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