Becky Lee Mullens Costantino, 75, of Rock Springs, passed away after a courageous battle with cancer in Salt Lake City on July 27, 2026. Born on January 21, 1951, in Rock Springs, Becky was the daughter of Jack Mullens and Sylvia Bergant Mullens. She attended schools in Superior and Rock Springs and was a Rock Springs High School graduate with the class of 1969. She married the love of her life, John Rocco Costantino on November 16, 1974. She was preceded in death by her parents, Jack and Sylvia Mullens; husband, John Rocco Costantino; and brothers George Mullens and Jack Edward Mullens.