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Ariana Grande might want to double-check WebMD before she starts tweeting about medical issues.

The “Sweetener” singer slammed Barstool Sports on Thursday after it tweeted out an article titled, “Does Pete Davidson Have Butthole Eyes?”

Grande responded, “Y’all do kno this man has an auto immune disease …… right? ….. like you do understand what you’re doing when u do this right? jus wanna make sure.”

Davidson was diagnosed with Crohn’s disease when he was a teenager.

While it was a valiant effort to try to defend her fiancé, Grande is wrong. According to Dr. Albert Knapp, a top gastroenterologist in New York City, Crohn’s disease doesn’t cause eyes that are sunken, or what’s now known as “butthole eyes.”

“The reason they’re sunken is because people with Crohn’s disease can sometimes become dehydrated,” Knapp told Page Six on Friday. “But when you rehydrate, they return to normal. Crohn’s disease does not directly cause eyes that look sunken in.”

He affirmed, “There’s no direct correlation between Crohn’s disease and sunken eyes.”

Crohn’s disease is a chronic inflammatory disease of the intestines, especially of the colon and ileum, associated with ulcers and fistulae, according to the Crohn’s and Colitis Foundation. Because it is chronic, patients with Crohn’s disease experience periods when it flares up and causes symptoms, followed by periods of remission when a patient may not experience any symptoms at all.

Other causes of dark circles around the eyes include fatigue, pigmentation irregularities, thinning skin and loss of fat, according to the Mayo Clinic.

So, while dehydration may have caused Davidson’s eyes to appear that way that day, his Crohn’s disease did not.