Article continues below advertisementHillary Clinton's 50th anniversary post with Bill Clinton has fans doing a double-take after noticing her uncanny resemblance to Sydney Sweeney.The former senator, 77, shared a tribute post dedicated to her husband, 79, on Saturday, October 11, where she included several throwback photos from their late 20s.Article continues below advertisementArticle continues below advertisementHillary Clinton Shared Throwback PhotosSource: MEGAFans couldn't help but notice the resemblance between Hillary Clinton and Sydney Sweeney.