Check out these 20 incredibly hot singers, models, athletes and actresses who are still somehow single. 20.Bar Refaeli Ball breaker A photo posted by Bar Refaeli (@barrefaeli) on Aug 4, 2015 at 9:25am PDT Woman like .. A photo posted by Bar Refaeli (@barrefaeli) on Feb 21, 2016 at 7:42am PST 19.Jennifer Lopez Happy sunny day!! Are you guys ready for #aintyourmama video!!?? A photo posted by Jennifer Lopez (@jlo) on May 5, 2016 at 3:03pm…