Is Demi Lovato engaged?

After The X Factor star was spotted wearing a diamond ring during her World Series performance on October 28, engagement rumors began flying with speculation that she was linked to everyone from Niall Horan or Wilmer Valderrama to record industry professional Jai Manselle. But it turns out that the bling was nothing more than a special treat for herself and sources say Demi's not getting married anytime soon!