Watch Serena Williams Sing ‘Under the Sea’ at U.S. Open Karaoke

You already knew Serena Williams was great at tennis, but did you know she moonlights as a karaoke star? On Wednesday night in New York City, to prepare for the upcoming U.S. Open, the tennis champ showed off her vocal skills at a Delta-sponsored karaoke event.

She told the Associated Press she was more nervous about her song choice than her tennis game.

“I’m going to make a game time decision,” she said. “I always get so nervous every year like, ‘I don’t know what to do, I don’t know what to do.'”

The 33-year-old athelete ended up chooing a Disney classic: “Under the Sea” from The Little Mermaid. Last year, she went a different route with “Diamonds Are a Girl’s Best Friend”:

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