Dancing with the Stars professional Anna Trebunskaya is pregnant with her first child.

"I'm so excited to share this news with you!!!Thank you for all of your support!" Trebunskaya tweeted Wednesday.

Trebunskaya, who's four months pregnant, revealed she's expecting a baby to explain why she wasn't part of Wednesday's Dancing with the Stars cast announcement for the upcoming seventeenth season.

"It wasn't planned, but when it happened, I thought, 'This is perfect -- I'm ready to be a mom.' This is something really good for me and fulfilling, and it'll give me a whole new meaning in life. I'm really looking forward to it," the 32-year-old Russian dancer told Us Weekly.

Trebunskaya added, however, she's "bummed" she won't be able to compete on Dancing with the Stars' next season.

"I love being [on] the show, and I'll miss it a lot, but I'll still be around visiting," she told Us. "I'll be their biggest cheerleader."

Trebunskaya opted not to disclose any details about the baby's father except that he is "very supportive."

While she admitted she's "beyond happy" about becoming a first-time mom, so is Trebunskaya's own mother apparently.

"My mom is so excited she's going to be a grandmother," said Trebunskaya, who reportedly discovered she was pregnant at the end of Dancing with the Stars' sixteenth edition.

Prior to finding out for sure she's expecting, the pro dancer told Us she had a gut feeling something big was coming.

"It was interesting because in the last six to eight months, I was saying to my friends, 'I'm ready for a change. I feel a change coming on,'" Trebunskaya explained. "And sure enough, this is going to be one huge change!"

Once the baby is born, Trebunskaya noted she plans to put her dancing shoes back on and return to the ABC reality competition series.

"I'm looking forward to getting back into shape and dancing and bringing the baby on board into the DWTS family!" she told the magazine.
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Trebunskaya has appeared on 10 seasons of Dancing with the Stars. The closest she's ever come to winning was when she finished in the runner-up spot with Jerry Rice in Season 2 and Evan Lysacek in Season 10.