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Demi Lovato - 27 best hairstyles over the years, since 2007 (Photos)

Demi Lovato debuts pink hair in this photo posted on her Twitter page on Jan. 23, 2014 ahead of her Neon Lights Tour, which begins on Feb. 9. <span class=meta>(pic.twitter.com/UAt82kRon2 / twitter.com/ddlovato/status/426620656369664001/photo/1)</span>
January 24, 2014 3:32:31 PM PST