Princess Celestia has ruled Equestria for... a long time. Now that Twilight Sparkle's a Princess, Celestia feels that it's time for her to retire from political life in Canterlot. But before she can leave the throne to more capable hooves, her friends, enemies, aqquaintances and a certain faithful student are going to make sure she gets the sendoff she deserves. This will definitely NOT be her best night ever and behind the scenes, somepony maybe working to make sure it's her last...