Michael Douglas appears hardly recognizable in a recent video he shared on social media. Many of his followers are taken aback by his appearance, expressing their shock at how old the Hollywood star—who has shared candid reflections on how he feels growing older—looks at 79. Celebrating the Fourth of July somewhere by the sea, iconic silver screen actor Michael Douglas, 79, took to Instagram to share a video of himself on Independence Day. While the post was about paying homage to the historical event, people were transfixed by the star’s appearance. Illuminated by the glowing sunset behind hi…