Dubois floored a blood‑cut Harper in the sixth round with a jab and left hook, then outpointed her on the scorecards. Judges gave 98‑91, 97‑92 and 98‑91 in Dubois’ favour, giving her the WBC and WBO lightweight titles.
The bout, held at London’s Olympia, marked the first United Kingdom show by Most Valuable Promotions and saw Dubois extend her record to 13‑1‑0. Harper, a three‑weight champion, finished with 16‑3‑2.