Popsugar Celebrity Alexis Ohanian Alexis Ohanian Wears "Unstoppable Queen" Shirt For Serena Alexis Ohanian Was Serena Williams's Biggest Cheerleader With His "Unstoppable Queen" Shirt 12 February 2021 by Victoria Messina View On One Page Photo 1 of 4 ADVERTISEMENT () Start Slideshow View this post on Instagram A post shared by Alexis Ohanian Sr. (@alexisohanian) Share This Link Copy ← Use Arrow Keys → 1 Previous Next Start Slideshow Alexis OhanianAthletesCelebrity CouplesTennisSerena Williams