The tennis superstar, 33, was among the celebrities who took part in the Delta Open Mic night in New York on Wednesday (26 August). She looked fab in a very Carrie Bradshaw-esque black tutu skirt and white crop top, showing off her amazing athletic physique.
Her appearance at the glitzy event came the same week rumours arose that her friendship with Drake has blossomed into romance.
The speculation started after photos emerged of Serena and Drake kissing at a restaurant in Cincinnati, Ohio, with a source telling E! News: "Things are heating up with the duo and all of Serena's friends approve of the pair.
"Drake has always had a huge crush on Serena, so he is on cloud nine and will continue to court her as much as he can."
Back in July, dprompting rumours they were a couple. So far, neither of them have confirmed or denied a relationship.
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