Erin Moriarity was diagnosed with an autoimmune disorder, Graves’ Disease, in June 2025. The actor recently opened up about the “physical and mental toll” the disease took on her while filming the fifth and final season of The Boys . Erin, who plays Starlight/Annie January on the series, shared a vulnerable post with fans on her Instagram Stories on Thursday, April 23. Erin Moriarty is letting fans in on the struggles she faced while filming the fifth and final season of The Boys . The actor, who plays rebel superhero Starlight/Annie January on the fan-favorite Prime Video series, got candid about her experience with Graves’ disease in an Instagram Stories post shared on Thursday, April 23, when the fourth episode of the season premiered on the streamer. “Okay, so: season 5, episode 4 of The Boys is one of the most important episodes I've ever shot. Unfortunately, that part of the season coincided with my health issues peaking before my diagnosis,” she wrote, in part.…