On Monday, the tennis legend shared a TikTok video of her writing on the basketball team’s whiteboard.
“Yo, you wanna see something cool?,” a voiceover asked before Williams, who was seen sitting in the red locker room, said, “Winning on the team!”
The voiceover then said, “No? Well I’ma do it anyway.”
“Serena was here. Kick butt. Go heat,” Williams wrote, finishing her note with, “Serena.”
Writing in her caption, she added, “I got caught in the @Miami HEAT locker room. Hope my HEAT players were inspired! (And I hope my message was not erased lol).”
Meanwhile, Williams’ good luck message proved to do Miami Heat well on Monday as they won 118 – 113 against San Antonio Spurs.
The day also saw Williams sharing moments from her time at Ricky Martin, Enrique Iglesias and Pitbull’s concert.
“I had the best time at @ricky_martin @enriqueiglesias @pitbull show! I’m def a Latin music lover for LIFE @evalongoria @annakournikova thanks Ricky!!! ❤️🥰❤️🥰,” Williams wrote in her caption.
The video, which was played alongside Iglesias’ song “Bailando,” featured Williams posing with Iglesias, 48, Martin, 51, Eva Longoria, as well as Iglesias’ wife, Anna Kournikova.
She then shared clips of Pitbull,42, and Martin performing on stage, as well as her dancing in the crowd.
Williams’ fun outing comes after she revealed her eldest daughter Olympia is “navigating” being an older sister.
Williams shares Olympia, 6, and second daughter Adira – who was born in August – with her tech entrepreneur husband, Alexis Ohanian.
“She’s navigating it. She loves it,” Williams told Entertainment Tonight at the 2023 CFDA Fashion Awards in New York City on Nov.6. “Adira’s like a tiny little baby, so Olympia just calls her her little sis.”