GLENDALE, CA - JANUARY 04: Singer Demi Lovato (fingernail and jewelry detail) poses as she signs copies of her "Seventeen" magazine cover issue at Barnes & Noble Booksellers on January 4, 2012 in ... more 
GLENDALE, CA - JANUARY 04: Singer Demi Lovato (fingernail and jewelry detail) poses as she signs copies of her "Seventeen" magazine cover issue at Barnes & Noble Booksellers on January 4, 2012 in Glendale, California. (Photo by Mark Davis/Getty Images) less 
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Getty Images | Photo By Mark Davis / Getty Images
Fri, Jan 6, 2012 4:30 PM EST