Jeon So Mi and BIG Naughty have dropped their special film music video for "Ex-Mas".

The MV stars Jeon So Mi and BIG Naughty as a couple who eventually go their separate ways. "Ex-Mas" is the duo's holiday single about an ex who's hard to forget about.

Watch Jeon So Mi x BIG Naughty's "Ex-Mas" above, and let us know what you think in the comments below.