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Seong Si-kyung’s Dramatic Weight Loss: Singer Reveals Diet for Cosmetics Deal

Sung Si-kyung’s Dramatic Weight Loss: Diet and Motivation Revealed Singer Sung Si-kyung has recently captured public attention with a noticeably slimmer physique. The transformation, revealed during a visit to broadcaster Choi Hwa-jeong’s home, has sparked curiosity about the…

Seong Si-kyung’s Dramatic Weight Loss: Singer Reveals Diet for Cosmetics Deal

Sung Si-kyung’s Dramatic Weight Loss: Diet and Motivation Revealed

Singer Sung Si-kyung has recently captured public attention with a noticeably slimmer physique. The transformation, revealed during a visit to broadcaster Choi Hwa-jeong’s home, has sparked curiosity about the singer’s weight loss journey and the motivation behind it.

A Striking Transformation

During his appearance on Choi Hwa-jeong’s YouTube channel, “It’s Choi Hwa-jung,” Sung Si-kyung immediately drew attention for his leaner appearance. Choi Hwa-jeong herself expressed surprise, commenting on his sharper features and handsome look as reported by The Chosun Ilbo.

The Reason Behind the Diet

Sung Si-kyung attributed his weight loss to a new role as a cosmetics model. He explained that he felt a sense of responsibility to align his image with the brand, stating, “I became a cosmetics model, but I thought I shouldn’t cause trouble to the brand.” according to The Chosun Biz.

A Restrictive Diet Plan

While Sung Si-kyung previously maintained his weight despite quitting drinking and smoking in preparation for concerts – explaining his audience enjoys his performances as he is – he adopted a more restrictive diet for the modeling commitment. He revealed he lost weight by consuming only eggs and sweet potatoes for a month. as detailed on The Chosun.

Continued Admiration

Choi Hwa-jeong continued to express her admiration for Sung Si-kyung’s transformation throughout the visit, repeatedly noting his enhanced appearance.

Sung Si-kyung Online Presence

Fans can uncover more content from Sung Si-kyung on his official YouTube channel: Sung Si-kyung’s YouTube.

About the author: Dr Natalie Singh - Health Editor

Board‑certified internal‑medicine physician and MPH. Natalie authored peer‑reviewed studies on infectious disease and served as medical editor. “Dr. Natalie Singh delivers evidence‑based health news, medical breakthroughs, and expert wellness guidance.”