Baby on the Way for Allison Holker and Stephen ‘tWitch’ Boss

10/05/2015 at 10:15 PM ET

An exciting announcement was made on Dancing with the Stars Monday night, and it had nothing to do with the competition.

Professional dancer and last year’s runner up Allison Holker shared the news that she and her husband, Stephen “tWitch” Boss, are expecting a baby together.

“This was such an amazing night and I’m so glad the news is finally out there,” she told PEOPLE after the show. “It has been so hard to keep it bottled up inside me — both literally and figuratively!”

She adds, “I’m so excited for everyone to know and be able to celebrate with us because our whole family is just so excited about this. It’s the biggest blessing.”

Holker made the announcement in the green room before she and her partner, Andy Grammer, took the stage.

Allison Holker Stephen Boss expecting baby
David Livingston/Getty Images

Afterwards, the dancer took to Twitter, sharing a photo of herself with her husband and daughter Weslie Renae, 7, surrounded by members of the Dancing with the Stars cast.

“WE ARE HAVING A BABY!!!!!!!!” Holker captioned the photo. The dad-to-be shared the same snapshot with the hashtag #BabyBoss on Instagram.

After dancing, the former So You Think You Can Dance star revealed that she’s four months along. Holker also said she will continue with the competition while pregnant — a first for the show.

“I’ve had a child before and I worked all the way through eight months. I was traveling on tour, so I think I can definitely handle it,” she tells PEOPLE of continuing to dance.

“This is what I do and what I know. If you were athletic before you were pregnant, you should stay athletic. I’m not scared of the challenge and I think it’s a beautiful thing to experience.”

The baby on the way will be the first for Boss, but the Emmy-nominated dancer is already mom to Weslie, her daughter from a previous relationship. And the future big sister couldn’t be more excited about her upcoming role.

“She’s ecstatic and already prepping to be the best older sister she can be to the little girl or boy — we don’t know the sex yet,” says Holker. “She’s always been a very helpful child, but it seems like now if I need a glass of water, she’ll be, like, ‘No, no, no mother. I’ll get it for you.’ She helps out and it has been the best energy in our home.”

The pair met as all-stars on So You Think You Can Dance and married in 2013.

Holker opened up to PEOPLE over the weekend about her daughter and making time for family despite her hectic dancing schedule.

“I’m on Dancing with the Stars now and, as the pros, we compact ourselves with so much work that every once and awhile we have to have a family night and let go of all the work,” she saidat the Los Angeles Haunted Hayride VIP Black Carpet on Sunday night.

WE ARE HAVING A BABY @sir_twitch_alot !!!!!!!!

A post shared by Allison Holker (@allisonholker) on

In some ways, her demanding schedule works in her favor when it comes to parenting.

“It’s the coolest thing because [Weslie] goes to school and [she] and her girlfriends see me as the cool mom,” Holker joked. “I’m not the cool mom where you can get away with everything, but they tell me about the boys and I feel lucky.”

— Naja Rayne with reporting by Patrick Gomez and Nicole Sands

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gymluv on

Now this is the gratitude and sheer delight I love to see when someone is pregnant. Congrats! These two are amazing dancers and just light up when they are around each other.

Pam on

Yay! I love them both from their SYTYCD days.

Anonymous on

So excited!, they are such a great couple. Twitch had the sweetest proposal. Yay!!

cyclone on

I really like Allison since she started a couple of years ago (didn’t know her from SYTYCD) and I am very excited. BUT, How can she still participate in this season being 4+ months pregnant. I was just watching her struggle through dancing with Andy tonight. How can you do lifts (in some dances) and back bends and all that being pregnant? Granted I am not a dancer so I don’t know what her body can handle but it just seems to me they don’t give Andy much more time in this competition (he was in the bottom 2 last week). Maybe for now she thinks she can dance but toward the end if they get far she’ll have one of the troupe OR maybe even Andy’s original partner Peta (who got injured their first week of rehearsal) will be back to dance with Andy.

Snerdguy on

See what happens when you dance too close.

Koz on

Very happy for them. Congrats.

Kimber on

Ahhh, that’s awesome! I loved them both on SYTYCD.

Brooke on

I LOVE me some tWitch….He is a great dancer & by everything Allison sys, a great stepfather

Kris on

I know she’s staying fit with dancing, but given this is her second and she is 4 months already, shouldn’t we see more bump? It’s a little crazy…

IMA RIGHT on

DWTS BLOWS. WHO CARES.

Katherine on

@ IMA RIGHT (which, btw sucks as a name.) try speaking for yourself next time since you’re clearly not smart enough to speak other people who do actually care. People who respond with “Who cares?”” are totally brainless and arrogant because they think only their opinion matters. Newsflash: there are people out there who do care, so show some f*%cking respect or keep your mouth shut.

Ariel on

I hope she takes next year off (at least) to be a mom. Those years are precious!!

Tam on

I knew it! Those moves tWitch did in Magic Mike XXL were very sexy!! I can see their kid being on Dancing with the Stars and SYTYCD in no time 🙂

Anonymous on

cyclone- It DOES seem crazy, but she’s done this before without any problems (she mentioned that she danced all through her first pregnancy), so…

ffxiv gil on

youre really talented.