Unless youve been living under a rock, youve likely been seeingChallengersand its chic tennis fashioneverywherethis past month.

In fact, its still thriving: This morning, Lady Gaga was spotted keeping the court-ready look alive.

The singer was seen at a tennis club in Malibu with boyfriend Michael Polansky.

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Photo: Backgrid

She even perfected the accessorieslike the quilted tennis bag, and the ready-to-run-in low-top sneakers.

That, or shes been a secret tennis pro this whole time.

Singer, dancer, actor, athleteis there anything Gagacantdo?