Demi Lovato Thanks Fans for Support After Father's Death

Demi Lovato said she's "humbled" by the amount of support she's received following her father's death over the weekend.

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"I feel so humbled to have had so much support from my fans, friends, family and complete strangers..  God bless you all, thank you so much," the X Factor judge tweeted Sunday night.

Lovato's mother and older sister, Dallas, confirmed via Twitter that her father Patrick had passed away over the weekend. The 20-year-old had been estranged from her father since 2007 and her 2011 song "For the Love of a Daughter" was written about their tumultuous relationship.