Sunday night, Grande joined the Queen of pop onstage in Miami for a remorselessly flirty exchange, which ended with the ceremonial gift of plastic banana.

The stars continued the lovefest on Instagram after the show: Grande wrote "I am dead. @madonna thank you for the spanking & the banana. #rebelheart #forever #unapologeticbitches." Madonna said, "Kewtest Unapologetic Bitch EVER!! Thanks Ariana!!! Tonight was so much FUN! Miami show #rebelheartour."

During the show, Madonna also led the crowd in a performance of "Happy Birthday" to celebrate her daughter Mercy James turning 10. Read more - here.

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