Dancing with the Stars pro Mark Ballas and wife Brittany "BC Jean" Carlson have welcomed a baby boy into the world.

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Mark announced that he's officially a father in a Tuesday, December 5 Instagram post.

RELATED LINK: 'DANCING WITH THE STARS' PROS AND THEIR SIGNIFICANT OTHERS: WHO'S DATING OR MARRIED TO WHOM!? (PHOTOS)

Mark, however, had waited a month after his baby's birth to publicly reveal the big news.

"Welcome to Earth my son," Mark captioned a photo of BC Jean and himself holding the newborn's hand. "Banksi Wylde Ballas 11/5/23."

Mark's Season 31 Dancing with the Stars celebrity partner, Charli D'Amelio, wrote in the comments, "CONGRATULATIONS!! SO HAPPY FOR YOU BOTH!!!!"

Mark and Charli just appeared on Dancing with the Stars' Season 32 finale together and performed a routine live on Tuesday night on ABC.

In addition to Charli's note, many more comments poured in from Mark's Dancing with the Stars family.

Dancing with the Stars judge Carrie Ann Inaba wrote after the Dancing with the Stars finale, "Congratulations Mark! It was awesome to see you tonight but to also learn that you and BC are now proud parents was such an incredible highlight!️ So happy for you all."

Dancing with the Stars co-host Julianne Hough commented, "I love you Banksi," and pro Sharna Burgess gushed, "Banksi. What a name! So perfect, congratulations you two. Xx."

Former Dancing with the Stars host Tom Bergeron and DWTS pros Peta Murgatroyd, Lindsay Arnold, Jenna Johnson, Cheryl Burke, and Kym Johnson also expressed their joy and excitement.

Mark and BC Jean announced they were expecting their first child together in June.

At the time, the couple posted the same video reel showing special moments they had spent together, including learning about BC Jean's pregnancy.
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In the video, which the couple captioned, "Life Lately," the following text flashed across the screen: "Lately we've been making new music, making birthday wishes, went to Disneyland, made more music stuff, [and] turned off our phones and went to the beach."

The text continued, "[We had] car rides with our best mate [our dog], Bobba tea, [and] made more music. Also... we've been making.... a tiny human. Coming soon."

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A heartbeat could be heard at the end of the video clip, which featured Mark and BC smiling big as the pro dancer gently cradled his wife's noticeable baby bump.

News of BC Jean's pregnancy made headlines three months after Mark announced he was retiring from Dancing with the Stars.

Mark had just returned to the reality dancing competition for Season 31 after a five-year absence -- and he won that season with his celebrity partner, Charli.

"I've done 20 seasons now," Mark told the audience at the final Dancing with the Stars tour stop in Las Vegas, NV, on March 12, according to E! News.

"I started this journey when I was 21, 22 and honestly being able to dance and perform for you fans -- you guys are the best fans."

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Mark, supported by his closest loved ones in the crowd, went on to drop the bombshell about his future on Dancing with the Stars.

"My mom is here tonight, my dad is here tonight, my wife is here tonight, my wife's mom and dad are here tonight," the pro dancer and choreographer continued.

"I just want to finish this by saying that this will be the last time you see me dance in this capacity. I'm coming to a close tonight. This is going to be my last dance."

Charli, who danced with Mark on tour, stood by Mark's side for his shocking announcement.

"Charli means the world to me," said the three-time mirrorball trophy champion Mark. "D'Amelio family, you guys mean the world to me. Thank you for everything."

Although Mark said he was done with Dancing with the Stars, he hinted that he wasn't about to hang up his dancing shoes for good.

"Thank you guys for a lifetime of memories. I appreciate it," Mark concluded. "I'm not saying this is the end. This is just the last time I'll be dancing with a partner."

Mark made his Dancing with the Stars debut on Season 5 back in 2007 with former Cheetah Girls star Sabrina Bryan.

After placing seventh with Sabrina, Mark went on to compete on Dancing with the Stars from Season 6 straight through Season 22. During that time, he finished in first place twice with former figure skater Kristi Yamaguchi on Season 6 and then with Olympian gymnast Shawn Johnson on Season 8.

Mark, who's had many second and third-place finishes over the years, took a break for two seasons in 2016 and 2017, but he returned for Season 25 and competed with violinist Lindsey Stirling. Mark and Lindsey were the runner-up couple that season.

Mark, who is also a musician and plays in a band, then left Dancing with the Stars until his comeback on Season 31 with Charli.

Mark and Charli defeated the runner-up couple, The Bachelorette star Gabby Windey and pro partner Val Chmerkovskiy, on Dancing with the Stars last year.

Mark admitted after the Dancing with the Stars season ended, "I don't know [if I'm coming back]... I tried to put every aspect of creativity, care, musicality, nuance into each [dance]."

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He added, "My body couldn't even fathom a thought of doing this [in] six months, so I'll let you know down the line."

RELATED LINK: 'DANCING WITH THE STARS' PROS AND THEIR SIGNIFICANT OTHERS: WHO'S DATING OR MARRIED TO WHOM!? (PHOTOS)

Mark and BC met in 2012 when they started their band Alexander Jean together. The pair got engaged in 2015 and got married one year later.




About The Author: Elizabeth Kwiatkowski
Elizabeth Kwiatkowski is Associate Editor of Reality TV World and has been covering the reality TV genre for more than a decade.