Twice

The solo star's debut mini-album just made chart history.

The K-pop girl group brought out all the stops and all the hits at their Long Island world tour concert.

From post-Disney pop stars to K-pop groups and R&B icons...

From Grimes to Lady Gaga, K-pop to nu-metal...

From Ariana Grande's "Santa Tell Me" to Nat King Cole's "The Christmas Song", watch some of K-pop's top idols cover these Christmas hits.