Madonna's current Rebel Heart tour has boasted a star-studded guest list when it comes to performing her feisty track, "Unapologetic B*tch." The pop icon has previously brought Diplo, Amy Schumer and Andersoon Cooper on stage but during Tuesday's gig in Los Angeles, Katy Perry was added to the list as she got spanked, danced and grinded on Madonna and took a sip from a banana flask.

Trailing the duo's performance of "Unapologetic B*tch," Madonna corralled her dancers as they bent the Hillary Clinton supporter over so Madonna could spank her and call the "Dark Horse" singer a "bad, bad girl."

"I love you, mom!" Perry announced after the performance, as Madonna crowned her "tonight's 'Unapologetic B*tch.'" The "La Isla Bonita" singer then handed Perry the banana flask, which she said "had spirits in it." Perry questioned what day it was and after being told it was Tuesday, se exclaimed, "See ya Friday!" before wincing and downing the drink. Madonna continued to dance of stage while a backdrop behind her read, "Bye, B*tches!!!"

"Well, that was unrehearsed," Perry wrote on Twitter after the show along with an Instagram video of the two showcasing their finest club moves. "ILY @madonna my QUEEN." In a separate Instagram video, she posted, "Because all popstars are code 'mom.'"

 Because all popstars are code "mom" #meta @madonna #Repost @tiersz

A video posted by KATY PERRY (@katyperry) on Oct 28, 2015 at 3:25am PDT

Madonna recently unveiled her latest and 13th studio album, Rebel Heart, back in March, denying that artistry diminishes with age. In an interview with Billboard, the "Like A Virgin" singer explained that there's no "expiration date for being creative" and compared herself to renowned painter Pablo Picasso, saying "He kept painting and painting until the day he died. Why? Because I guess he felt inspired to do so".

"Life inspired him, so he had to keep expressing himself, and that's how I feel," she continued.

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