Zara McDermott has revealed that she's unable to exercise for a few weeks after undergoing a mystery operation.The Love Island and Made in Chelsea star, who unveiled her two stone weight loss earlier this year, is no stranger to the gym and regularly shares workout updates with her fans but will now have to take it easy for a while.Zara broke the news as she shared a gym selfie and while she’s been forced to take some time off, it sounds like she plans to get back into her intense fitness