MaryKate Duignan Glidewell (born January 17, 1985) is an American professional wrestler, best known for working for Total Nonstop Action Wrestling under the ring name Rosie Lottalove. Prior to her stint in TNA, she first became known for her work in other promotions under the ring name Betsy Ruth. After five years of being a professional wrestler, she retired on June 24, 2012 due to injures; she resumed her career in October 2014, after losing nearly 130 pounds.