The Ultimate Fighting Championship bantamweight title was contested fiercely last night in Melbourne, Australia.
American fighter Holly Holm stunned her more famous, reigning champion and undefeated opponent, Ronda Rousey when she delivered a knock out kick followed by successive blows in the second round to cause the upset.
Holm now remains undefeated in the mixed martial arts sport, with a 10-0 record.
See photos from SportingNews in the gallery.