Watch Madonna’s Sultry Cover of Britney Spears’ ‘Toxic’ at Art Basel

Madonna covered Britney Spears’ “Toxic,” taunted Donald Trump, twerked with Ariana Grande and reunited with ex-husband Sean Penn during an event Friday at Miami’s Art Basel that raised $7.5 million for the singer’s Raising Malawi charity.

Billed as a “Night of Art, Mischief & Music,” the Tears of a Clown event, which streamed live on Facebook, featured a unique Madonna performance as well as an auction of personal items to help raise funds for Malawi’s first Pediatric Surgery & Intensive Care Unit.

Among the items receiving the biggest bids were three Herb Ritts-shot photos from Madonna and Penn’s 1985 wedding, which drew a top bid of $230,000. Other items included a costume from a Madonna tour (modeled Friday night by Grande) and artwork from Madonna’s personal collection, including a print by artist Tracey Emin that sold for $550,000.