The first Hallmark Christmas Trailer for 2018 is here! The movie is called "It's Christmas, Eve" and it's starring the famous country music star Leann Rimes! The movie was previously announced when Hallmark kicked off a preview to it's famous annual Countdown to Christmas programming schedule, and we had a Hallmark Channel sneak peek. As the trailer states, it's never too early (especially for Christmas Fans like ourselves) to start to get excited for the amazing list of Hallmark Christmas Movies coming in 2018 - and this is the first trailer that they've released, and we're happy to show it…