Grant Gustin and Wife LA Thoma Welcome Second Baby, Son Arthur: 'Love This Little Family'

The couple tied the knot in 2018 and welcomed their first child, daughter Juniper, in 2021

<p>Phillip Faraone/Getty</p> La Thoma and Grant Gustin

Phillip Faraone/Getty

La Thoma and Grant Gustin

Grant Gustin is officially a boy dad!

The Flash star, 34, has welcomed his second child, a son named Arthur James Grant, with his wife LA Thoma, 35, announcing the exciting news in a joint Instagram post on Thursday, Sept. 12. The couple shared a sweet black and white snap of their baby boy's tiny hand holding onto one of their hands.

"Arthur James Grant ✨ Juni’s best friend is finally here," the proud mom wrote in the caption, noting that their older child, daughter Juniper, 3, has already become best friends with her little brother.

"Love this little family beyond words," the new dad of two added in the comment section.

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Related: Who Is Grant Gustin's Wife? All About LA Thoma Gustin

The couple announced they were expecting their second baby together in a joint post on Instagram in March.

“Shaping up to be an exciting year,” wrote Thoma as she displayed her baby bump, while the actor wrapped his arms around her shoulders, and their daughter Juniper hugged her legs.

The second photo showed Juniper turning her back to the camera and sporting a black T-shirt that read, “In My Big Sister Era,” in capital letters.

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<p>LA Thoma Gustin/Instagram</p> Grant Gustin and his daughter Juniper.

LA Thoma Gustin/Instagram

Grant Gustin and his daughter Juniper.

“Now you know why I retreated to my cave for the last couple months,” the expectant mom added in her Instagram Story as she reposted her family photo.

Meanwhile, the physical therapist shared more photos of her loved ones on her Story as she enjoyed some time in the park. Thoma captured her daughter walking with a blue helmet and matching jacket as she stared adoringly at her while hiding Juniper’s face with a sun emoji.

Gustin and Thoma tied the knot in 2018, after announcing their engagement in 2017.

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