Crittenden County Sheriff's OfficeJuice WRLD's ex-girlfriend Ally Lotti and her boyfriend Carter Jamison were busted for shoplifting at an Arkansas Walmart over the weekend ... and cops say they found narcotics on Lotti during their search.
Ally was arrested by Crittenden County Sheriff's Office and booked on possession of methamphetamine or cocaine with the purpose to deliver at least 2 grams, possession of drug paraphernalia and theft of property.
Her lawyer, Bradford Cohen, tells TMZ Hip Hop Ally and Carter tried to scan their items in the self-checkout aisle on Saturday ... and believed they'd rung up everything -- until a security guard detained them at the door.
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