Ozzy Osbourne - Ozzy Osbourne canceled his 2020 North American tour to seek medical treatment. In January, the musician revealed he had been diagnosed with Parkinson's disease.
Ariana Grande - In 2017, Ariana Grande was forced to cancel her Dangerous Woman tour show in Ho Chi Minh City in Vietnam at the very last minute because of "health problems."
Lady Gaga - On November 6, 2019, Lady Gaga canceled one of her Las Vegas residency shows due to bronchitis and a sinus infection.
Shakira - The Colombian singer had already canceled a few of her shows when she was forced to postpone the El Dorado World Tour in 2017 for health reasons.
Adele - At the end of June 2017, Adele had to cancel her two final tour shows in London because of a problem with her vocal cords.
Aerosmith - In 2017, Aerosmith had to cancel the last four shows of their South American tour because of vocalist Steven Tyler's health issues.
Daddy Yankee - Daddy Yankee had to postpone a concert in Colombia in 2016 after being taken to the hospital.
Foo Fighters - In 2015, Foo Fighters had to cancel their UK show at Glastonbury Festival after Dave Grohl broke a leg. The band's vocalist fell off a stage in Sweden.
Rihanna - In 2013, Rihanna had to skip a show in Houston because of health issues.
Avicii - In 2014, the late DJ took some time off to recover after removing his appendix and gallbladder.