The Yoo Sisters: Gong Seung-yeon and TWICE’s Jeongyeon Stun in First-Ever Joint Fashion Shoot

The ultimate celebrity sister duo actress Gong Seung-yeon and TWICE member Jeongyeon have captured the hearts of fans worldwide by teaming up for their first-ever joint fashion photoshoot since their respective debuts. On June 25, 2026, fashion magazine Harper’s BAZAAR Korea officially unveiled a stunning jewelry pictorial for its upcoming July issue. Organized in partnership with the luxury high-jewelry brand Tiffany & Co., this project marks the very first time the two sisters have posed side-by-side in front of a professional fashion camera, making the milestone incredibly meaningful for both the stars and their global fandoms.

Two Faces, One Unbreakable Bond

Photographed under the striking creative concept “Double Face,” the editorial shoot was carefully designed to highlight the sisters’ matching yet beautifully distinct facial features. The production crew set up a warm, cozy bed as the main background to capture the natural, comfortable intimacy of siblings who grew up sharing every personal moment together. Behind the scenes, staff members revealed that Gong Seung-yeon and Jeongyeon kept the entire set laughing and cheerful with their playful chemistry and organic real-life sibling interactions.

The sisters added a high-end, powerful presence to the shoot by modeling iconic collections from Tiffany & Co.’s 189-year history, including the bold “Tiffany HardWear,” the brilliant “Sixteen Stones,” and the legendary “Bird on a Rock” jewelry and high-end watch lines. The luxurious styling choices seamlessly balanced their individual styles while creating a unified look that beautifully emphasized their deep family connection.

Overcoming Cushing’s Syndrome: A Story of Real Devotion

The heartwarming chemistry displayed in the jewelry photoshoot has deeply touched the general public, especially following a highly emotional family revelation broadcast just days prior. On the June 20 episode of tvN’s hit variety show You Quiz on the Block, Gong Seung-yeon appeared as a guest and openly discussed the painful, moving sacrifices she made behind the scenes while nursing Jeongyeon through her severe battle with Cushing’s syndrome (a hormonal disorder caused by prolonged exposure to high cortisol levels, often resulting from medical treatments like steroids, causing weight gain and physical changes).

Appearing in a pre-recorded video interview for the show, TWICE’s Jeongyeon burst into tears as she recalled the exact moment her older sister saved her health:

“My sister grabbed me one day and said, ‘Your body looks a little strange right now. We need to go to a hospital immediately.’ She personally took me to a major medical facility, which is where we finally received the exact diagnosis of Cushing’s syndrome. My sister absolutely hates physical, sweaty sports, but purely for my sake, she forced herself to go to tennis and boxing lessons with me every single day. Thanks to her constant devotion, I safely completed my medical treatments and fully recovered my health. I am so incredibly grateful to her.”

Gong Seung-yeon also teared up during the studio broadcast, explaining that she initially begged Jeongyeon to move into her apartment during the illness because she was terrified her younger sister might completely give up on life due to the severe mental and physical toll of the condition.

Reflecting on her days as a full-time caregiver, the actress shared a grounding lesson about empathy: “Whenever she let out negative thoughts, I would sometimes scold her, sometimes comfort her, and we would cry together. But eventually, I realized that the thing she needed most was just for me to stay quietly by her side. So, I just stayed. I made sure to cook her warm meals whenever it was time to eat, and simply kept her company.”

Having successfully fought through their darkest personal challenges together, the sisters’ real-life love and resilience stand out with a brilliant glow that easily outshines even the most expensive high-end diamonds. Fans can view the full, heartwarming Harper’s BAZAAR spread and watch exclusive video interviews on the magazine’s official website and social media channels throughout the summer.