Holly Letkeman (November 29, 1983) is a Canadian female professional wrestler better known by her ring name Courtney Rush. Letkeman is currently signed to Impact Wrestling under her ring name Rosemary as a member of the tag team/stable known as Decay. She is the current TNA Women's Knockout Champion in her first reign. Letkeman has worked for promotions such as BSE Pro, BCW, Maximum Pro Wrestling, NCW Femmes Fatales and Shimmer Women Athletes. Rush is a former NCW Femmes Fatales Champion, and is also a former Shimmer Tag Team Champion with Sara Del Rey.