David Corenswet, who stars as Superman in James Gunn's 2025 film, married actress Julia Best Warner in 2023. The couple's love story began when they met as teenagers at a summer theater program in Pennsylvania. Julia Warner, raised in Villanova, PA, studied acting at Point Park University and appeared in early films like 'Pretty Little Things' in 2012. Their relationship was a slow burn, and they married in an interfaith ceremony that combined Jewish and Catholic traditions, reflecting Corenswet's Jewish faith and Warner's Catholic faith. In 2024, they welcomed their first child, just as Corenswet was finalizing his role as Superman. Warner was pregnant during her pregnancy, gaining about 40 pounds, which coincided with Corenswet's weight gain for his role. Their dog, Ira Grrrshwin, a Cavalier King Charles spaniel, is considered part of the family and has its own Instagram. The couple met during their teenage years at Upper Darby Summer Stage, a renowned Pennsylvania theater program attended by celebrities like Tina Fey. Both are involved in acting, with Warner appearing in series like 'Ratched' and working as a producer. Corenswet's audition process for Superman was supported by Warner, who believed in his potential from the start. Their wedding was held in New Orleans, with both religious traditions honored through an interfaith ceremony. Corenswet has expressed that his wife’s support was crucial during his audition and preparation for the role of Superman. They have been seen together at premieres and events, celebrating their personal and professional milestones.