Former Dancing with the Stars pro Lindsay Arnold is officially a mom of three.
She and husband Sam Cusick have welcomed their third child together, the loved-up pair announced on Instagram on Thursday, June 11.
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"Baby boy is here and we are so grateful and so in love 🥹💙," Arnold she penned, adding a hashtag revealing their son was delivered via C-section.
The couple have not yet shared their baby boy's name.
Their newest arrival joins big sisters Sage and June, who were born in November 2020 and May 2023.
Arnold and Cusick first revealed they were expanding their family in November 2025 with a maternity photoshoot featuring their two daughters.
"We could not feel more blessed, grateful, and excited🫶🏻," the dancer wrote at the time.
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"we love you so much already baby and we can't wait to meet you!! 🥹"
A month later, the couple announced they were expecting a son using balloons filled with blue confetti.
"We opened our results together and in private but I wish y'all could have heard/seen Sam's excited 'YESS!!!!!!' when I read boy to him 😭," Arnold shared.
"He is the best girl dad and I just know he is going to be the most amazing boy dad, our son is so lucky 🩵," she added.
Arnold continued documenting her pregnancy journey with fans in the months leading up to the birth.
The 32-year-old has been with Cusick since they were both 15 years old.
The longtime couple got engaged during a trip to Africa in December 2014 before tying the knot in Utah the following summer.
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