Despite her recent DUI arrest, stint in rehab and self-released porn video, Teen Mom’s Farrah Abraham has always maintained her No. 1 priority is being a good mother to her 4-year-old daughter, Sophia.

One person who disagrees wholeheartedly — and wants to raise the child herself — is the little girl’s paternal grandmother, Stormie Clark.

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In this week’s issue of In Touch, Stormie — the mother of Derek Underwood (Sophia’s father, who died in a car crash when Farrah was eight months pregnant) — sits down to voice her concerns for her granddaughter and disgust with her son’s ex-girlfriend’s recent behavior.

“My heart breaks because Farrah hasn’t been focused on Sophia’s needs for a while now,” Stormie laments to In Touch.

Farrah, who is now 22, “should be getting her daughter ready for kindergarten and teaching her the ABCs. Instead, [she’s] stripping at clubs and selling her porn video,” Stormie mourns. “She is all about fame and always will be.”

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More than willing to provide Sophia with a loving, caring, and grounded home life, Stormie admits: “I would gladly take Sophia. What’s going on makes me sick.”

For more, pick up this week’s issue of In Touch, on newsstands now.

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