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Smackgirl was a Japanese women's mixed martial arts promotion that operated from 2001 to 2009. It was one of the first promotions to feature women's MMA fights, and it helped to popularize the sport. Megumi Yabushita, a Japanese fighter, was one of the most successful fighters in Smackgirl history. She won the Smackgirl Lightweight Championship in 2003 and defended it successfully three times.