Who's Demi Lovato's No. 1 fan? Turns out it's her new boss and fellow X Factor judge, Simon Cowell, 52."She's an impressive young lady," Simon tells the new issue of Life & Style, on newsstands tomorrow. "At 20 years old, she's been through it all -- and is a bit of a rebel, which I like -- but she's very open about her problems," Simon tells the magazine.The road to fame has indeed been a rocky one for Demi, who's struggled with bulimia and bipolar disorder. But according to Simon, it's those very struggles -- and her ability to overcome them -- that made Demi a shoo-in for a coveted spot on the X Factor panel."She's not embarrassed to talk about what happened in her life," he says. "You look at Demi and how she has her life together, a No. 1 single ["Give Your Heart a Break"] this week and people really like her. She's a survivor!"
For more on Demi, pick up this week's issue of Life & Style Weekly, on newsstands now, and tune in to The X Factor every Wednesday and Thursday at 8 p.m. ET/PT on Fox.
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