Madonna joked she gives "really good" oral sex as she opened Amy Schumer's comedy set at Manhattan's Madison Square Garden on Tuesday (18.10.16).

The 58-year-old singer - who is known for her outrageous on stage behaviour - couldn't keep hold of her loose lips as she delivered an explicit monologue about performing fellatio on men who vote for Hillary Clinton in November's US presidential election at the start of the comedienne's gig in New York.

She quipped: "I'd better get off now because someone insanely funny is about to be on this stage, ladies and gentleman, one more thing before I introduce this genius of comedy. If you vote for Hillary Clinton I will give you a b**wjob. I'm really good. I'm not a douche and I'm not a tool. I have eye contact and I do swallow."

The 'Like A Virgin' hitmaker went on to claim she never receives "d*** pics" from men and she no longer sees her manager Guy Oseary - who also represents Amy Schumer - because of how quickly the 'Trainwreck' star's success has rocketed.

She finished off her monologue by introducing the 35-year-old funnywoman to her audience and admitting she wants to "one day" be able to do stand-up like Amy.

She concluded before being ushered off the stage: "[this] insanely talented woman who I am so jealous of because one day I want to do what she does."

Although fans were no doubt surprised to see the pop star attempting to make people laugh, Madonna's guest appearance came as a returned favour to Amy after she opened up three of her dates in New York on her 'Rebel Heart' world tour last year.

The terrible twosome had fans in hysterics at the concert as Madonna aggressively whipped up Amy's dress, flashed her lace knickers to the audience and slapped her bottom before she stood behind her and pretended to hump her.

Despite the embarrassing scenario, Amy didn't let her flesh-flashing moment faze her as she continued to shake her bottom while Madonna sang 'Unapologetic Bitch'.

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