C harli xcx believes in ghosts, which is why she tends to keep a safe distance from wherever they might gather. That might be difficult on this mid-May afternoon, considering we’re standing on the grassy 54 acres that make up Hollywood Forever cemetery, where Charli has suggested we film this interview. Roughly 95,000 souls rest here, including those belonging to Judy Garland, Cecil B. DeMille, and Dee Dee Ramone, but Charli isn’t about to grab a Ouija board. In fact, the 33-year-old pop star