HaHa surprised everyone when he revealed his jazz pianist sister's impressive background.

On the recent episode of KBS's 'Win Win', HaHa talked about his sister, Ha Joo Ri, who received a lot of interest for her recent piano performance on 'Immortal Song'.

HaHa surprised the audience when he shared, "My sister graduated from Berklee College of Music, and is currently working as a professor. SHINee's Jonghyun was also one of her students."

HaHa added, "Like the Korea's�Jackson 5, 'Small Star Family', my mother wanted a musical family, but I wasn't able to fulfill her expectations." Upon hearing this, MC Lee Soo Geun lightened the mood by commenting, "Yeah, it's hard for everyone from one family to do well."

After the airing of the episode, Ha Joo Ri showed support for her brother by tweeting, "Donghoon (HaHa's real name), I laughed really hard. Good job."

Source+Picture: Star News via Nate