Sources connected to the couple tell TMZ that Patton felt “utterly disrespected” when Robin virtually simulated sex with Miley on stage. After the performance Paula reportedly got into a blow-out argument with Robin, telling him he insulted her before a huge national TV audience.

What really pissed Paula off is that the performance was a total surprise, notes TMZ. Miley improvised the raunchy part without warning, but Robin played along … and that enraged Paula.

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