Miley Cyrus was hospitalized for a for a “severe allergic reaction to antibiotics.” Doctors have put her on medical rest.

Miley posted to her Twitter: “Kansas I promise Im as [heartbroken] as you are. I wanted so badly 2 b there 2night. Not being with yall makes me feel shittier than I already do.”

She even posted a picture from her hospital bed on Twitter:

Due to the hospitalization, Miley’s Kansas City “Bangerz” concert was cancelled last night. This isn’t the first time that the twerking singer had to cancel a show. Earlier this month she cancelled her Charlotte, North Carolina show because of the flu. Poor Miley can’t catch a break.