Exclusive Q&A: Serena's go-to karoke song, her little-know nickname and more

It's not everyday we get to listen to Serena Williams answer 73 rapid-fire questions, so we enjoyed this cool segment -- especially because we learned a lot about the tennis icon.

For instance, did you know her go-to karaoke song was 'Eye of the Tiger', or that she'd like to master ballet? She also apparently has a very funny nickname and plenty of fashion tips.

Check out the video here:

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