Glen Powell confirms his relationship with Michelle Randolph by posting a black-and-white photo of the couple kissing on Instagram during Fourth of July celebrations.The post, captioned "Hell of a Fourth," follows months of private appearances after they were first linked last October and became exclusive by midyear.The couple have traveled together to Miami, attended a Golden Globes after-party and been photographed with friends including Madelyn Cline and Zoey Deutch.Randolph continues to assert a desire for privacy, Powell’s family has met her and Powell invokes his parents' 40-year marriage as a model for their future.