Alexis Ohanian Says Serena Williams Made Him 'The Happiest Man In The World' In Anniversary Tribute

Four years down, forever to go! Serena Williams and Alexis Ohanian are celebrating another year of marriage. The tennis pro and the entrepreneur hit their four-year wedding anniversary on Tuesday, and they each marked the milestone with romantic posts on Instagram. Alexis wrote in part for his, "4 years ago you made me the happiest man in the world and our little family keeps me feeling more grateful every day. Nov 16 will always be a very special day for our family."