Lili Reinhart at the opening of the STAUD Melrose Avenue Flagship on Oct. 23, 2025, in Los Angeles. Gilbert Flores/WWD/Getty Images Share on Facebook Share on X Google Preferred Share to Flipboard Show additional share options Share on LinkedIn Share on Pinterest Share on Reddit Share on Tumblr Share on Whats App Send an Email Print the Article Post a Comment Lili Reinhart has revealed she's been diagnosed with endometriosis. The Riverdale actress opened up about her path to receiving the diagnosis on Instagram, where she revealed she learned the news "following laparoscopic surgery.