Maria Shriver refused to attend a party after learning Miley Cyrus was also invited

OHMYGOSSIP — Maria Shriver rejected the chance to attend Art Basel Miami after learning Miley Cyrus – the new girlfriend of her son Patrick Schwarzenegger – was also invited.

The estranged wife of Arnold Schwarzenegger had planned to attend Art Basel Miami with her brother Anthony Shriver, but cancelled upon hearing the ‘Wrecking Ball’ hitmaker – the pop star girlfriend of Maria’s 21-year-old son Patrick Schwarzenegger – was scheduled to attend.

An insider said: “Maria was going to go to Art Basel to spend some time with Anthony, but when she heard Miley was going to be there with Patrick, she cancelled.”

Miley, 22, was a last-minute booking for the party staged by Tommy Hilfiger and Jeffrey Deitch at the Raleigh.

However, she became the talk of the event after stripping down on stage to silver pasties, and dancing with a topless woman, as well as a man dressed as a penis.

The ‘Wrecking Ball’ hitmaker was also seen smoking marijuana on stage, which triggered an argument between Miley and Patrick.

A source told the New York Post’s Page Six column: “Patrick is anti-drugs, but Miley doesn’t give a f**k. She smoked marijuana onstage, and God knows what else she was on for the rest of the weekend.

“She and Patrick were heard fighting about it. There’s no way Patrick can be linked to drug use; his family is American royalty.”

It has previously been claimed Maria doesn’t approve of Patrick and Miley’s relationship. Maria became concerned after seeing photos of Miley on a bucking bronco shaped like a manhood at her 22nd birthday party last month.

A source explained: “The birthday party with all the penis pictures disgusted her. That was the worst thing Miley could have done. Maria is very, very worried about the influence Miley’s having on Patrick. She fully believes that you become who you surround yourself with and she’s always been so happy with the friends Patrick chooses, she never saw this coming.”

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