victoria beckham posted a pic of her husband on instragram on tuesday and , due to the wispy grey strands peppering his beard , captioned it ` silver fox ' .
with his 40th birthday just around the corner , it seems david is embracing his age with style , and he 's not the only one that the #grannyhair trend may still be going strong for women the world over , but it seems men will always hold the crown for rocking the grey .