Serena Williams and the Art of Grunting

Sure, she just took Wimbledon and the doubles title with her sister, but look, we all want to know — why all the grunting, ladies? Source: Late Show with David Letterman

Updated Apr. 25, 2017 2:33PM ET / Published Jul. 07, 2009 7:45AM ET

Sure, she just took Wimbledon and the doubles title with her sister, but look, we all want to know — why all the grunting, ladies? Source: Late Show with David Letterman