Serena Williams is probably the best women's tennis player ever, but whatever confidence she has on the court is apparently not present in front of her iPhone camera lens. "I need a lesson on how to do like that selfie face, I'm not good at that," Williams said on Snapchat alongside a selfie of her in a bikini. Williams: if you're already an advanced enough selfie taker that you're posing in a bikini for one, you've got this.

Whoa #serenawilliams on #snapchat showcasing perfection 👌🏾

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Sources: Perez Hilton