Lemon Perfect, the fastest-growing brand in the enhanced water category*, announced today its partnership with 2017 US Open Champion and 7-time WTA singles champion Sloane Stephens. An avid fan of Lemon Perfect from her first sip, Stephens has teamed up with the brand as an investor and ambassador to accelerate Lemon Perfect's rise toward its goal of becoming the number one brand in the multibillion-dollar enhanced water category by market share.