Ronda Rousey
She used to be the UFC Female Bantamweight Champion until November 2015 when she got defeated by American Holly Holm. It was her first ever loss. In December 2016 she tried to win the championship back but she got defeated by TOTAL KNOCKOUT (TKO) just 48 seconds into the first round, this time by Brazilian Amanda Nunes. She now has a career in the WWE (World Wrestling Entertainment, Inc). Well known as ( Rowdy Ronda Rousey )