Lee Jung-jae and Jung Woo-sung have one of the longest and strongest friendships in Korean entertainment. They first met in the late 1990s and became close while working on the 1999 film City of the Rising Sun. Since then, they have consistently supported each other’s careers and even co-founded their own management company, Artist Company. Their bond remains strong, often making public appearances together.

Cha Tae-hyun and Zo In-sung share a long-standing friendship that has grown into a successful professional partnership. They first met while filming the 2008 movie A Frozen Flower and quickly developed a close bond off-screen. Over the years, their friendship has deepened, built on mutual respect and trust.

From starring together in Unexpected Business to co-founding the talent agency Basecamp Company, their natural chemistry and shared values have been evident in every collaboration. Their reality show showcased their seamless teamwork and down-to-earth dynamic, while their business venture reflects a shared vision to support fellow artists and create a supportive environment in the entertainment industry.

Lee Min-ho and Jung Il-woo’s friendship began in high school, where they became close friends while living in the same neighborhood. Their bond deepened after a serious car accident in August 2006, which left both hospitalized with significant injuries.

Jung Il-woo later met Kim Bum while filming Unstoppable High Kick, and they developed a close friendship, with Il-woo describing Kim Bum as “like a brother” to him. Kim Bum and Lee Min-ho became friends during the filming of Boys Over Flowers in 2009, where they played F4 members. Over time, the three actors formed a tight-knit trio, supporting each other’s projects and maintaining their friendship despite busy schedules.

Lee Soo Hyuk and G-Dragon have been friends for a long time, possibly since childhood, and are known to be very close. They were part of a friend group called ‘New Think’ (Nuthang), which also included Big Bang’s T.O.P and model Kim Young-kwang. Lee Soo-hyuk shared that they often met to play and discuss new ideas, fostering a strong bond.

Lee Jong-suk and Kim Woo-bin started their careers as models before transitioning into acting. Their friendship grew stronger after starring together in School 2013, and they have continued to support each other both professionally and personally. Even when Kim Woo-bin took a hiatus due to health issues, Lee Jong-suk remained one of his biggest supporters, demonstrating the depth of their bond. After Woo-bin’s treatment, he was first seen visiting Jong-suk’s café, and the two later travelled to Hawaii together for a vacation.

The friendship between Gong Yoo and Lee Dong-wook blossomed during their time filming Goblin. Their on-screen chemistry translated into real life, and they have since remained close friends. They frequently speak highly of each other in interviews and appear at each other’s events, demonstrating a mutual respect and lasting connection.

IU and Yoo In-na became friends while working together on the variety show Invincible Youth 2 in 2010. Despite the 10-year age gap, they developed a close bond. IU and Yoo In-na are known to share private moments, such as traveling together and celebrating personal events. IU has mentioned that Yoo In-na is her muse and affectionately calls her “sister.”

Jang Dong-gun and Hyun Bin share a close, long-lasting friendship that began early in their careers. Their bond was highlighted during Hyun Bin’s wedding to Son Ye-jin, where Dong-gun delivered a heartfelt congratulatory speech, showcasing their deep connection. Over the years, they have supported each other both personally and professionally, offering advice and attending significant events together. Their friendship is a testament to the lasting, meaningful relationships that can thrive in the competitive world of Korean entertainment.

Lee Jong-suk and Lee Sung-kyung have been friends for around 10 years, having first met as models before transitioning to acting. Their bond is considered exceptionally close, with Lee Sung-kyung describing their friendship as “closer than a lover.” They have consistently supported each other’s careers, appearing in each other’s dramas like Weightlifting Fairy Kim Bok-joo and While You Were Sleeping. Their strong connection is evident in their public appearances and the mutual support they share.

Both represented by the same agency, actors Song Hye-kyo and Yoo Ah-in have maintained a long-standing friendship. They frequently express their support for one another on social media, and their bond has remained strong despite their busy careers.

Squid Game actress Jung Ho-yeon and BLACKPINK’s Jennie have built a strong friendship over the years. Jennie even sent a coffee truck to the set of Squid Game to support Jung Ho-yeon, and the two frequently post photos together, highlighting their sister-like bond.

Lee Sung Kyung and Park Shin Hye have maintained a close friendship since co-starring in the 2016 drama Doctors. They have also celebrated personal milestones together, such as attending each other’s events and sharing moments on social media, highlighting their enduring camaraderie.

Park Bo-gum and BTS’s V became friends through the entertainment industry and quickly developed a strong bond. Their friendship is well-known, as they have traveled together, attended concerts, and shown support for each other’s work. Park Bo-gum has visited BTS’s concerts, and V has expressed admiration for Bo-gum’s acting. Their easygoing chemistry and warm interactions make them one of the most beloved celebrity friendships in Korea.

Kim Go-eun and BLACKPINK’s Rosé became close after appearing together on Sea of Hope. Their friendship blossomed through their shared love for music and heartfelt conversations. Rosé even performed at Kim Go-eun’s fan meeting, highlighting their strong bond. The two often share glimpses of their friendship on social media, enjoying casual outings and supporting each other’s careers, showing how genuine their connection is beyond the entertainment industry.

EXO’s Chanyeol and rapper Zico have been friends since their high school days. Both passionate about music, they remained close even after debuting in different genres. Their friendship is built on mutual respect, often collaborating and showing support for each other’s music. Chanyeol once shared that he admires Zico’s producing skills, while Zico has praised Chanyeol’s versatility as an artist, proving their lasting and deep connection.

Hyeri and BLACKPINK’s Rosé developed a close friendship despite working in different groups. They first met through mutual connections and instantly clicked, often seen dining together and sharing heartfelt conversations. Hyeri has openly expressed her love for Rosé, treating her like a younger sister. Their strong friendship is evident in their social media interactions and public appearances, making them one of the most adorable celebrity best friends.

Jisoo of BLACKPINK and Bona of WJSN share a warm and supportive friendship. Both idols have spoken about how they rely on each other, providing comfort during difficult times. They are often seen cheering for one another’s projects and meeting up despite their busy schedules. Their friendship reflects a strong sisterhood, with fans admiring their sweet interactions and moments of genuine care for each other over the years.