A sibling duo Akdong Musician won the grand finale of SBS' 'K-Pop Star Season 2'.

On the 21st episode of 'K-Pop Star 2', which aired on April 7, Akdong Musician won the grand prize leaving Bang Ye-Dam the second place.

The final episode was about the final competition between top two participants: Akdong Musician and Bang Ye-Dam.

The final competition was the remaining two contestants performing two missions. The first mission was to sing a song that had been performed by the other contestant. The second mission was to sing a song chosen by the judges.

Bang Ye-Dam performed Tamia's 'Officially Missing You' and Culture Club's 'Karma Chameleon' while Akdong Musician performed Hanson's 'MmmBop' and Toy's 'Hot Goodbye'.

After Akdong Musician won the final prize, they said, "Thank you mother and father. It's unbelievable that we came this far."

Lee Soo-Hyun, the sister of Akdong Musician, said, "Although it feels like we don't belong here, but we won."

Yang Hyun-Suk said, "Akdong Musician is a new musician hidden in Mongolia. I hope that all the contestants meet the nice seniors and management agency to become great musicians."