Demi Lovato news
- One Direction's Niall Horan congratulates Demi Lovato on US X Factor job via Twitter
- New US X Factor judges Britney Spears and Demi Lovato dress up for launch with Simon Cowell
- The next One Direction girlfriend? Niall Horan and Demi Lovato exchange 'flirty texts'
- Oops! Demi Lovato pulls out hair extension during dance routine at US concert
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