Blake Lively and Ryan Reynolds Go Fully Gray for Surprising "Millennial" Halloween Costume

Blake Lively and Ryan Reynolds Go Fully Gray for Surprising "Millennial" Halloween Costume

The 'Gossip Girl' alum poked fun at her husband's "Gen X" status for a rare couple's appearance.Getty Images Ryan Reynolds and Blake Lively are seen arriving for the premiere of "Another Simple Favor" on April 27The GistBlake Lively and Ryan Reynolds made their first joint appearance in months on Monday, November 3 with a very unexpected transformation.The couple went fully gray while showing off their Halloween costumes.Lively poked fun at Reyn…