Shawn Johnson Reveals 2-Year-Old Son Jett Weighs 48 Lbs. and Wears a Size 12 Shoe: 'Yes, I'm Serious'

The retired gymnast is expecting baby no. 3 this month

<p>Getty;Shawn Johnson/Instagram </p> Shawn Johnson and Andrew East

Getty;Shawn Johnson/Instagram

Shawn Johnson and Andrew East's son Jett.

Shawn Johnson East has a growing boy on her hands.

Sharing scenes from her day on her Instagram Story on Thursday, the pregnant mom of two, 31, made a passing comment about toddler son Jett James weighing 48 lbs.

On a later Instagram Q&A, a fan asked the retried Olympian if she meant that literally.

"A lot of these questions, yes. I'm serious," she said with a laugh. "He's just very dense and tall, but yes, he's 48 lbs. And he wears a size 12 shoe. I'm not kidding."

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<p>Shawn Johnson/Instagram </p> Shawn Johnson

Shawn Johnson/Instagram

Shawn Johnson

Related: All About Shawn Johnson and Andrew East's 2 Kids (and Baby on the Way!)

"I always love these questions because Andrew and I actually did an entire podcast about kids and sports and just like all of it," she began, noting it would be released in the weeks to come.

"But just because a kid is built a certain way does not mean they're destined to do a specific thing," she said.

"I don't know what Jett is going to do," she said, noting he likes "anything risky right now."

"But just because he's built like a linebacker means nothing," Johnson East continued. "He might be a pianist, scientist, mathematician, or whatever. It's just our job to help him find what he loves, so who knows? He might just be the biggest jock you've ever seen."

<p>Shawn Johnson/Instagram </p> Shawn Johnson

Shawn Johnson/Instagram

Shawn Johnson

In addition to Jett, the couple is also parents to daughter Drew Hazel, 4, and expecting baby No. 3 in the coming weeks.

In May, Johnson East chatted with PEOPLE about her special appearance on the children's TV show Blippi and opened up about whether or not her kids would pursue gymnastics.

She revealed that her daughter Drew has been dipping her toes into the sport she won Olympic medals for, following in her mom's footsteps. Seeing the gym as a "giant padded playground for a kid," Johnson East said Drew "likes it better than ballet or soccer so far, but I think it's because there are more activities she can do there at this stage."

The mom went on to say that she's not invested in either of her kids following in her footsteps. "I'm as far from wanting her to be a gymnast as humanly possible," she revealed. "I just want her to fall in love with something and I'll be her biggest cheerleader, no matter what it is."

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