India, May 26 -- Chrissy Teigen has never been one to shy away from honesty, whether it's about parenting, body image, or beauty standards. Now, the model, cookbook author, and social media personality is opening up about a recent cosmetic procedure: hairline-lowering surgery.

The 39-year-old mum of four recently surprised fans by revealing the reason behind a mysterious hospital photo she had posted days earlier. Appearing in her Instagram Stories on May 23, Teigen finally shared an update - along with a candid close-up photo of her bandaged forehead.

"Hi friends! (A) lot of you have been wondering about my hospital pic, which is very understandable as I gave no explanation lol," she wrote. "I had a hairline-lowering procedure." Teigen...