Demi Lovato, who last week came out as "non-binary" and will henceforth be using "they/them" pronouns, said Saturday that complimenting someone on their weight loss can be just as harmful as complimenting somebody on their weight gain. "If you don’t know someone’s history with food, please don’t comment on their body," Lovato, 28, wrote in an Instagram story post. "Because even if your intention is pure, it might leave that person awake at 2 am overthinking that statement…" BEVERLY HILLS, CALIFORNIA - MARCH 22: Demi Lovato attends the OBB Premiere Event for YouTube Originals Docuseries "Demi Lovato: Dancing With The Devil" at The Beverly Hilton on March 22, 2021 in Beverly Hills, California. (Getty Images for OBB Media) Lovato said that.