UFC 219: Cyborg vs. Holm was a mixed martial arts event produced by the Ultimate Fighting Championship held on December 30, 2017, at the T-Mobile Arena in Paradise, Nevada, part of the Las Vegas metropolitan area. A UFC Women's Featherweight Championship bout between current champion Cris Cyborg (who is also a former Strikeforce Women's Featherweight Champion and Invicta FC Featherweight Champion) and former UFC Women's Bantamweight Champion Holly Holm headlined this event.