This week on Twitter, Rascal Flatts member Jay DeMarcus shared his "plans" for a Halloween costume -- dressing up as his bandmate Joe Don Rooney! How hilarious would that be? Rooney better return the favor and don a Jay DeMarcus costume! Also, Blake Shelton shared his nickname for singer and close friend Trace Adkins, while Kellie Pickler was en route to visit the Marines at Camp Pendleton in California. Taylor Swift also tweeted a memorable video of an all boys choir singing her song 'Love Story.' Check out these plus more tweets from your favorite country stars