Ariana Grande
She twerked with Madonna at Art Basel, and it was all for a good cause.

Ariana Grande, Madonna – The two teamed up together for their short performance after sharing snaps of rehearsals as a contribution to the charity called Raising Malwai, which benefits orphaned children in Africa.
According to U.S. Weekly, Madonna raised a total of $7.5 million for the organization , also singing Britney Spears’s “Toxic” to Donald Trump’s image and having her ex-husband Sean Penn crawl handcuff her and crawl through her legs, but it’s clear her time on stage with Ariana was the highlight of the evening.
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The two seemed to be hitting off beforehand. “Beyond excited to support @raisingmalawi and shimmy with my queen @madonna tonight (in her very own Rebel Heart tour outfit ?) @artbasel,” Ariana wrote in a behind-the-scenes selfie.
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“Rehearsing with La Grande backstage before Tears of a Clown @artbasel for @raisingmalawi,” Madonna captioned a photo of the two. “Thank you everyone for your support!!”
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