John M. Heller/Getty Images; David Livingston/Getty Images

The drama surrounding Robert Wagner rages on. and RadarOnline.com has exclusively learned even his upcoming birthday bash could be ruined!

An insider revealed Wagner’s ailing wife, Jill St. John, is planning a small party to celebrate his 89th birthday on Feb. 10 and has told his daughter, Courtney, not to come!

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“[There are] concerns about her ongoing sobriety,” the insider said, explaining, “She has been off and on the wagon so many times no one can keep track.”

As Radar reported, 44-year-old Courtney was recently arrested for public drunkenness.

Tragically, the mysterious death of Courtney’s mother, Natalie Wood, in November 1981 may explain some of her troubles. As Radar readers know, Robert has long been accused of being involved in Natalie’s drowning.

“Courtney has missed her mother her entire life,” a source previously told Radar. “She was old enough to understand at age 7 she had died, but has never truly processed what happened to her.”

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Now, the health of her dad is faltering, and there are ongoing concerns regarding his memory, the insider revealed of the aging actor.

“Courtney is vowing to attend her dad’s birthday party, and won’t let her stepmom prevent her from being there,” the insider said. “There is no love lost between Courtney and Jill.”

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https://radaronline.com/exclusives/2019/01/robert-wagners-troubled-daughter-banned-from-his-89th-birthday-bash/