While his exact diagnosis remains a mystery, fans rushed to share their support for the American-Irish dance star, with one commenting that they were “sending prayers”.
“So sorry to be reading this news,” another wrote. “Michael you’re a fighter, you can beat this. Sending lots of love and prayers to you and your family.”
Another fan wrote: “Keep fighting Michael my thoughts and prayers are with you and your family xx Keep your feet moving X.”
Another fan, who had fought cancer themselves, wrote: “As a cancer survivor, all I can say is trust in your medical team and keep positive. There are so many new medications available now, thanks to all the research.”
“So sorry to hear the news, I’m a huge fan and I hope you recover,” another shared, with another adding: “You have fought so many hard battles in your life and you will fight this too. You are in all our thoughts and prayers. Sending love to you and your family at this difficult time. Be strong Michael.”