Released just over a month ago, ATEEZ’s comeback song “BAD” has gone completely viral and member San is the star of the chest-pumping show.
If you haven’t seen the viral choreography plaguing everyone’s social media feeds yet, boy group ATEEZ stunned with not only their catchy and rhythmic song but also with their chest-popping dance routine. Member San, known for his chiseled jaw-line and “Grand prince” appearance, stole the show with his final closeup in the MV where he perfectly perks out his chest and gazes into the camera. His stage performance was also highly anticipated and the viral moment made him the most popular celebrity of summer 2026.
With San becoming the must-know person of the year, fans began gathering before and after photos from debut and his bulking up period to highlight just how much he has grown into his alluring physique. Check out the most popular photo sets of ATEEZ San with ZAPZEE.
Debut and Now
Before and during ATEEZ’s debut phase in 2018 with their first EP Treasure EP.1: All to Zero, San was particularly skinny. He had the same charming face but dawned flashier outfits, a paler complexion and was noticeably thin, which matched the idol standards at the time. Compared to his manlier physique, San is giving more of a modern idol look than the classic cookie-cutter one. His popularity may drive the direction of how boy groups may have a more muscular member or overall body type.
Thin Physique
At the time, San’s tall and slender physique was the highlight of his appearance and quite often emphasized in older concept photos. Soon, his extremely knife-sharp jawline became more of the focus and with a change in his eyebrows and hairstyle, San appears even cleaner, smoother, and sharper visually on and off the stage.
Bulk Up Period
After bulking up, San was noticeably posting more mirror selfies (his favorite kind of selfies) at the gym and showcasing his muscles more with fitted shirts and sleeveless tops. His angular body became his key feature as he also began showing more skin. A straight-edged jaw paired with his muscular curved chest and arms make him irresistible.
Workouts and Tan
San was always quite strong as he actually is a 3rd-degree black belt practitioner in Taekwondo and learned the martial art from his father, who owns a taekwondo studio. This in particular adds to his lean muscle definition. Compared to the usual bright and white skin of most idols, San seems to be embracing a more tanned look. It may be only for this particular comeback, but the bronze skin only enhances his muscular features, making him one “Bad” dude.
Surgery Rumors
However, like most idols, San was speculated to have had surgery or at least cosmetic injections to further enhance his appearance. After the buzz of his pre-debut photos began surfacing, netizens noticed his nose looked slightly wider in the past and his jaw seemed less prominent prior to debut. Some fans commented, “They all get something done to be fair. Not one artist can be that naturally good looking,” and “Even if he got procedures, he did them perfectly and invested in his looks like all idols do,” while others stated he more so grew into his looks and his rigorous workouts may be the reason for a change in appearance.
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What did you think of ATEEZ San’s miraculous glow up? Share your thoughts in the comments and don’t forget to watch more of your favorite Korean stars for FREE on Amasian TV.
