Actor Priscilla Presley on Lisa Marie trust controversy.

Lisa Marie Presley and Priscilla Presley's mother-daughter relationship has had its challenges over the years.

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A source tells ET that Lisa Marie and Priscilla's relationship has always been tumultuous, especially in their final years.

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Lisa Marie was struggling, and it was definitely putting a strain on her relationship with her mother," the source says.

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The source also told ET that it was "no secret" that Lisa Marie always wanted her children to inherit her faith.

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In a statement to ET on Friday, Priscilla implored Lisa Marie fans to "ignore the noise" as the family continues to mourn their daughter.

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I wish to protect my three grandchildren and keep our family together. We are heartbroken, and I am having to learn to live without my only daughter.

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We truly love you all, and we feel your prayers. Thank you so much for caring so deeply about our family.

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Next Paco Rabanne Spanish designer passed away.

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