Hiroyo Matsumoto
Gabert made her debut in Japan on 7 April 2012 at a World Wonder Ring Stardom event. On 17 March 2013, she defeated Nanae Takahashi for the World of Stardom Championship. She continued to wrestle for the promotion in several singles and tag team matches, before losing the championship to Io Shirai on 29 April. Gabert returned to the promotion, four months later on 17 August, facing Hiroyo Matsumoto in a match that ended in a draw. In September she competed in the "Stardom 5STAR Grand Prix" tournament, defeating Kairi Hojo, Io Shirai and Dark Angel, before losing to Takahashi in the finals. Two months later, on 4 November, Gabert teamed with Kyoko Kimura and The Female Predator "Amazon" and defeated Kairi Hojo, Kaori Yoneyama and Yuhi to win the Artist of Stardom Championship, only to lose it to the team of Hiroyo Matsumoto, Mayu Iwatani and Miho Wakizawa on 29 December, ending their reign at 55 days. Gabert also competed in the Goddesses of Stardom tag team tournament, teaming with Amazon and defeating three different teams, and losing to Act Yasukawa and Kyoko Kimura in the finals. On 26 January 2014, Gabert teamed with Kimura and defeated Miho Wakizawa and Nanae Takahashi to win the Goddess of Stardom Championship. They lost the title to Kairi Hojo and Nanae Takahashi on 10 August. Following the match, Gabert and Kimura broke up their partnership.