Having been active in the entertainment industry for many years, Kim Soo Hyun has been suspected of dating showbiz beauties many times.
He lived a private life, rarely participated in TV shows, and rarely accepted to act in MVs. However, the actor has shown a lot of favor to IU - his close friend of more than a decade.
In March 2024, Kim Soo Hyun attracted attention when he appeared at IU's concert to cheer her on. This was the time when the first episode of "Queen of Tears" aired, but the actor still spent time supporting IU.
Not only did Kim Soo Hyun attend, he also stayed until the end of the show and took photos with IU backstage.
In IU's previous concerts, Kim Soo Hyun also appeared if he didn't have a busy schedule. At the concert "The Golden Hour" in 2022, the actor born in 1988 was present at two shows.
IU and Kim Soo Hyun met in 2011 when they both participated in the project "Dream High". The two are harmonious in personality and have been together for a long time, always supporting each other in their careers.
In 2015, the pair of best friends once again reunited in the movie "Producer". Because of his frequent collaboration, Kim Soo Hyun was repeatedly suspected of dating IU.

In 2017, Kim Soo Hyun became the male lead in the MV " Ending Scene". They play a couple in love with many close interactions. Kim Soo Hyun's appearance was surprising because before that, he rarely accepted an invitation to act in a music video.
Known as a top-paid actor in Kbiz, Kim Soo Hyun did not hesitate to play a guest role, appearing for a few minutes in the final episode of "Hotel Del Luna" in 2019 to support her best friend IU.
Every time they have a new project, Kim Soo Hyun and IU often send coffee trucks, fast food or encouraging messages to support each other in work.
When mentioning each other in the media, Kim Soo Hyun and IU did not hesitate to praise each other. Although they do not cooperate continuously, the pair of best friends are always present in each other's work and life.
When Queen of Tears aired, it was reported that IU refused to accept the role of Hong Hae In. To this day, fans are still waiting for a joint work of the "Dream High" star couple in which year.