Cowell admits that one of his favorite hobbies is actually a great form of exercise. "I climb trees daily. It's like a ritual," the "X Factor" judge told GQ magazine. But that isn't his only quirky hobby. Cowell also loves kid's cartoons. "I like cartoons every morning. I like 'The Flintstones', 'The Jetsons,' all the old ones. I watch them in the morning to put me in a good mood," he said. We knew Simon was a big softie at heart! —XFINITY Entertainment Staff (Photo: Gareth Cattermole/Getty Images)
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