IU's agency Loen Entertainment revealed that her 'Dream High' co-star, Kim Soo Hyun, attended one of her concerts recently, proving that the two have remained good friends!

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The rep told Newsen on June 3, "On May 29, Kim Soo Hyun attended IU's little theater concert 'Just One Step.. That Much More' and watched from the audience. �After both IU and Kim Soo Hyun appeared in drama 'Dream High' together, they have consistently been in contact with each other. �IU maintains her relationships with her friends from 'Dream High' and they all get along well."

Meanwhile, this is becoming a hot topic on the internet as people claim to have witnessed the two together. �Despite his busy schedule as a famous Hallyu star, Kim Soo Hyun managed to find the time to watch his good friend's concert!