IU is making her oppa-fans melt with her cute dance in K.Will's "My Heart Is Beating" music video. In the video that was revealed on March 10th, IU performs the Korean national warm-up exercises. IU is accompanied by six look-alikes, who all sport the same outfits and hairstyles. After watching the video, netizens commented, "6 IU's! It feels like I won the lottery", "Uncle fans should give her a thank you plaque", and "IU's national exercise daebak!". MBLAQ's Lee Joon also appeared in the music video and carried out the exercise along with the IUs, entertaining many netizens. Singer K.Will recently returned with his newest mini album, "My Heart Is Beating", and is trying out double title song promotions for the first time. He'll be promoting the songs "My Heart Is Beating" and "Can't Open Up My Lips". [gallery columns=4] Source: Star News via Nate