A cute girl named Kim Hye Eun, called the 'Suncheon IU,' took on the challenge of performing IU's "Good Day"--3-octave notes and all--for SBS's 'Star Faceoff' on January 31.

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Right when she began singing, she took people by surprise with her similar voice and singing style! �However, what most impresses people, of course, is her near perfect take on IU's famous 3-octave notes that leads the crowd to get on their feet and cheer when she hits the last high note.

Check out the performance below! �Do you think she sounds like IU?