Natalie Wood’s Daughter — Busted for Coke, Heroin After Blowout Fight with Boyfriend

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Natalie Wood“s daughter with Robert Wagner was arrested this week for coke and heroin possession — after a nasty fight with someone in her house … a fight that led to a gunshot.

Law enforcement sources tell our sources, cops were called to the Malibu home of 38-year-old Courtney Wagner last Sunday — when someone heard a woman screaming … followed by a gunshot.

When officers arrived, we”re told Courtney was found in possession of cocaine and heroin. She was arrested on suspicion of felony drug possession.

The other person involved in the argument — a male — was placed under arrest for negligent discharge of a firearm. We”re told nobody was injured.

Courtney has since posted $10,000 bail. It”s unclear if the other person is still in custody.

Calls to Courtney were not returned.