On March 30, 2025, South Korean singer-turned-actor Seo Kang-joon shared an Instagram post in which he had posed for denim fashion label Calvin Klein. The latest Calvin Klein campaign shoot came shortly after the one with another Korean singer and actor Rowoon, who posed for the label recently. Seo Kang-joo sported all-denim look and monogrammed solid t-shirts for the latest shoot.
Fans of Seo Kang-joon were impressed with his latest appearance in a Calvin Klein endorsement. Therefore, they flooded the internet with their admiration for the Undercover Highschool star.
One user on X commented
“Seo Kangjoon and Calvin Klein a match made in fashion heaven He looks absolutely breathtaking”
Fans praised Seo Kang-joon’s look in Calvin Klein look
Many other reactions to Seo Kang-joon’s latest Calvin Klein were seen online. While some said that he effortlessly stole the spotlight, others said that the actor owned Calvin Klein-vibe in the latest shoot.
“effortlessly stealing the spotlight this man was made for calvin klein,” a fan wrote.
“Seo Kangjoon is owning this Calvin Klein vibe- absolute fire! Can K-drama stars keep slaying fashion like this, or is this just the beginning?,” another fan commented.
“Seo Kangjoon is absolutely owning that calvin klein look...! his style game is on point,” an admirer stated.
Some said Kang-joon looked stunning in his latest Calvin Klein campaign, while others said that he blended his unique charm with the fashion label’s edgy aesthetic.
“Seo Kangjoon effortlessly exudes style and charisma in his stunning Calvin Klein campaign!,” another fan wrote.
“them other dudes should be grateful he's not into commercial works. like he leans more toward the art cause if he's not, yall wouldn't have a career,” commented another admirer.
“Seo Kangjoon truly stuns for Calvin Klein! His latest campaign perfectly blends his unique charm with the brand’s modern, edgy aesthetic, leaving fans and fashion enthusiasts in awe,” a fan commented.
Calvin Klein featured many other Korean celebrities in its recent campaigns
Calvin Klein has enlisted several K-pop stars for its various campaigns in 2025, including Cha Eun-woo, Rowoon, SEVENTEEN’s Mingyu, and ATEEZ’s Mingi. Additionally, BTS’ Jungkook has been a face of the brand, having featured in multiple campaign over the years.
Recently, on March 11, Cha Eun-woo starred in the fashion label's ad. The firm first revealed photographs of the Korean actor, followed by behind-the-scenes footage from the promotional material the next day
The entire shoot concentrated on simplicity and minimalism. Cha Eun-woo wore a variety of styles for the ad shot, including a nappa leather jacket, suits, solid shirts, muscle tees, pleated linen mix trousers, and more.
Cha Eun-woo became the brand ambassador for Calvin Klein after the official announcement in October 2024.
In related news, Seo Kang-joon also became the face of Marie Claire Korea magazine recently. Kang-joon featured in April 2025 issue of the magazine.

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