Idol Couple’s Beloved Star Baby Is All Grown Up And “K-Pop Ready”
With the latest update from Crayon Pop‘s Soyul, featuring her and H.O.T. Moon Heejun‘s beloved star baby “Jam Jam” from The Return of Superman, fans are now playfully cheering for her “K-Pop debut” with her “idol-ready visuals.”
On January 9, 2026 (KST), Soyul posted several photos of Moon Hee Yul along with the caption, “Our Jam-ie’s Christmas concert.”
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Our Jam-ie’s Christmas concert. Once again, it was so moving and beautiful… She performed so well and looked so lovely. I’m so proud of you. I love you.
— Soyul
Soyul’s photos captured the 8-year-old Hee Yul in her international school uniform. Once affectionately nicknamed “Jam Jam” on The Return of Superman, the idol couple’s star baby—who received immense love from viewers at the time—caught attention with her noticeably grown-up appearance!
Netizens couldn’t help but express awe at how quickly Jam Jam has grown since The Return of Superman.
- “She’s welcome to K-Pop.”
- “So bright-eyed and smart-looking!”
- “Wow, she’s a mini-me of her mom.”
- “She looks just like her mom.”
- “Wow. Give her a K-Pop debut.”
- “So cute!”
- “She looks like she has great potential.”
- “Her eyes are seriously huge, wow.”
- “Oh wow, she hasn’t changed at all. Just grew bigger LOL. So cute!”
- “She has her mom’s face shape but her dad’s features.”
- “Aw, she’s so pretty!”
- “Wow, she’s grown so much.”
Soyul and Moon Heejun got married in 2017, and the couple now has two children. Read more about how they first met here:
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