Smash Mouth singer Steve Harwell was not married at the time and is predeceased by his infant son Presley. Smash Mouth singer Steve Harwell died on September 4, 2023, from liver failure. He was 56 years old. Harwell leaves behind his ex-wife Michelle Laroque. The couple’s son Presley died when he was six months old from acute lymphocytic leukemia. Presley was the couple’s only kid. Harwell never re-married or had more children. He was engaged to Esther Campbell and Harwell’s manager said his fiancée was by his side. “Steve is resting at home [and] being cared for by his fiancée...