4. Kenny Chesney replaced his treadmill with a bike. 

In 2010, the singer revealed that he was really into cycling for a year. He told People that he bought all sorts of cycling equipment and clothing and really appreciated how it took his mind off of everything. "I was channeling Lance Armstrong," he joked. Chesney's decision to embrace biking came after, he admitted, he nearly wore the belt off of his treadmill during the months that followed his 2005 breakup with actress Renee Zellweger (their union lasted less than a year).

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