'DWTS' pro alum Karina Smirnoff gives birth to her 1st child -- a boy!

Karina Smirnoff is officially a new mom!

The “Dancing With the Stars” alum recently gave birth to her first child, a baby boy.

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Smirnoff first revealed she was expecting with an Instagram photo in December 2019, gushing in her post that she would soon “have a little one to train on the dance floor.”

In addition to winning the Mirrorball Trophy once, with celebrity partner J.R. Martinez in season 13, the 42-year-old has taken second place twice -- with Mario Lopez and Corbin Bleu -- and third place once -- with Jacoby Jones.

Smirnoff has competed in 18 out of 28 "DWTS" seasons.