Candace Cameron Bure is back to ring in another holiday season.The Hallmark Channel staple stars in her latest original Christmas movie, If I Only Had Christmas, which follows a cheerful publicist (Bure), who teams up with a cynical business owner (Warren Christie) and his team to help a charity in need.ET exclusively premieres the first look at the official poster and promo for the upcoming film, featuring a special video message from Bure, who also hosts a seven-night Thanksgiving week