Madison Keys may be getting a competitive edge by fueling with some of the fanciest water around. The American became an ambassador for Evian earlier this year, and needless to say, she's enjoying the perks. Her face, and her baby double, are on select bottles of Evian, while her ad campaign can be seen on the sides of buses.

She also explained how the Snapchat filter works if you want your own Evian dancing baby.

Keys is not the only one fronting for Evian these days. Stan Wawrinka recently played a role in surprising his fans after a game of virtual tennis.

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That might be the most fans see of Wawrinka this year as he just announced that he is missing the rest of the season to undergo knee surgery.