Chris Harrison can kiss his bachelor days goodbye! The former Bachelor Nation host, 50, just proposed to Lauren Zima, 33, after three years of dating, and, according to a source close to the couple, Lauren was absolutely taken with the romantic way her hubby-to-be proposed. “Chris’s proposal to Lauren was the most romantic thing she could’ve ever imagined,” a source EXCLUSIVELY shared with HollywoodLife. “It was every girl’s dream come true and she can’t believe how lucky she is.”