"X Factor" judge and singer Demi Lovato confessed her ghostly encounters on the "Mack at Nite" radio show. "I saw a little girl, and she was dressed like she was from the 1800s. And [she] was just standing in my closet," Lovato said, adding that, as a child, she was once caught by her mother talking to a littler girl in an old photograph. —XFINITY Entertainment Staff (Photo: Jason Merritt/Getty Images)
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