MONSTA X made a marvelous comeback during their anniversary. The idols brought incredible music to the new generations and became the talk of the town for weeks worldwide. Now, they are ready to kick off live promotions of their musical project.
On December 12 local time, STARSHIP Entertainment, MONSTA X’s music agency, made an important announcement regarding Kihyun. The idol wouldn’t be performing at the New York stop of iHeartRadio’s 2025 Jingle Ball tour.

The idol will be sitting out of performing at the Jingle Ball in Philadelphia on December 15; Washington, DC, on December 16; and Miami on December 20 due to an acute gastroenteritis. The agency asked for understanding due to the absence of the idol. Read the full statement below:
Hello.
This is STARSHIP Entertainment.
We are making an announcement regarding MONSTA X member Kihyun’s health and schedule.
Due to a worsening of his health, Kihyun visited a local hospital, and he was diagnosed with acute gastroenteritis.
In accordance with the doctor’s opinion that he needs plenty of rest and stability, Kihyun will not be participating in the “2025 iHeartRadio Jingle Ball Tour in New York” concert scheduled for today.
After taking into consideration both the state of Kihyun’s health and the doctor’s recommendation, we have determined that it is currently difficult for Kihyun to proceed with the show.
We sincerely apologize to the fans who waited for a long time. We ask for fans’ generous understanding.
STARSHIP Entertainment will do its utmost to help Kihyun recover as quickly as possible and meet his fans again in better health.
Thank you.
Get well soon, Kihyun!