The pressure is on!

Tennis pro Serena Williams appears on Friday's "The Ellen DeGeneres Show," where she plays a game of "Who'd You Rather" with Ellen.

Check out the video above to see who Williams picks between stars like Jake Gyllenhaal, Bruno Mars and more!

1117_serena_insetLaunch GalleryMichael Rozman / Warner Bros. See More Sexy Stars!

Kicking off the first round, Serena is asked to pick between Jake and Bruno. After taking a moment of careful consideration, Williams goes with the "Nightcrawler" star.

Next, she tosses Jake aside for Michael B. Jordan and picks the "Creed" star once more over Zac Efron.

Things get tricky when Ellen throws in John McEnroe and Lewis Hamilton. Make sure to check out the rest of the clip above to see who she ends on!

Later in the show, the 35-year-old reveals what it was like to dance with Beyonce.

What do you think about Williams' choices? Sound off below and check out the gallery above to see more sexy stars!

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