SHINee's Key, John Park, Lee Ji Hye, and Lovelyz' Yein has joined the celebrity panel on MBC's 'Mask King'.

According to producers of the show, the four singers joined the panel lineup, and on the December 24th episode, they'll be watching as 8 masked singers facing off against the 'Mask King', 'Red Mouth'. It's reported Key, John Park, Lee Ji Hye, and Yein showed strong chemistry with one another that elevated the program.

Make sure to tune into this week's episode of 'Mask King'.