Subscribe to our channel to be the first to see our viral, breaking news videos. Twitter.com/swns Instagram.com/swns<br /><br />Millions of millennials reckon they have got Christmas ‘mastered’, according to a study.<br /><br />Researchers revealed one in six millennials think they have already got the festive season down to a fine art, nailing their first Christmas for themselves at the age of 25 on average. <br /><br />And a third of millennials think their hosting skills rival those their parents displayed during Christmases when they were growing up.