Idol Unveils Major Slimdown Following Her Shocking Weight Gain Reveal

Looking good!

Looks like Jewelry member Seo In Young is right on track with her weight loss goals!

On December 8, 2025 (KST), K-Pop’s OG sexy icon shared a photo of herself on Instagram, noting, “Now that I’m losing weight, my body definitely feels lighter.”

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Jewelry’s Seo In Young | @seoin0/Instagram

She hinted at both a comeback and a YouTube channel launch as what’s keeping her motivated on her weight loss journey.

I’m thinking of doing a live next week. What time would be good?
#PreparingForAComback #PreparingForYouTube

— Seo In Young

A week before that, Seo In Young also mentioned keeping a strict diet of vegetables to meet her goals.

 

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A post shared by 서인영 (@seoin0)

Saturday 😜 #CuccioloTerrazza
#TheDietGoesOn #I’mOnlyEatingVeggies

— Seo In Young

Whatever she’s doing, it’s working—her jawline in these photos looks noticeably sharper compared to when she went live back in October, shocking her fans with her weight gain.

At the time, the idol revealed that she had gained over 22 pounds (10 kilograms).

Read more about it here:

Divorced Idol Shocks Fans With Dramatic Weight Gain And Nose Implant Removal

Source: Star News
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