The Magic Kingdom is sharing a few more details on its formal celebration of Mickey and Minnie's 90th Anniversary starting in 2019:

Quote Originally Posted by Disney Parks & Resorts

Starting Jan. 18, Mickey & Minnie’s Surprise Celebration at Magic Kingdom Park will honor those true originals, Mickey and Minnie Mouse ...

  • Mickey and Minnie will greet guests together inside Town Square Theater, sporting all-new colorful outfits for their special celebration.
  • The new Celebration Station inside Town Square Theater will be a must visit, as you can sign a guestbook to let Mickey and Minnie know, personally, just how much fun you’re having during their party.
  • Mickey’s beloved dog, Pluto, will meet guests under the big top at Pete’s Silly Sideshow in Storybook Circus.