Flex Alexander popped out with a rare video of his son, Elijah, whom he shares with his wife, Shanice, and the internet is going crazy. Folks on social media are saying Elijah is clearly his daddy's son, because the resemblance between them is literally insane!RELATED: Not A Baby Anymore! The Internet Goes WILD After Wiz Khalifa Drops Rare Flick Of His Son Sebastian (PHOTO)Is That Flex Alexander's Son Or His Identical Twin?Recently, Flex Alexander dropped a video on Instagram, soaking up some beach vibes with his son, Elijah.