As you only turn 20 once, the park is pulling out all the stops with a host of new shows and parades, including an amazing illuminations spectacular at the Sleeping Beauty Castle, as well as the chance to meet Mickey Mouse backstage.
More sparkling lights and fairy dust than ever before will be showered across the park, and new costumes, colours, features and surprises will make this an explosion of a party you simply can't miss.
Need more reasons to go to the party of the year? Don't worry, we've got 20...
Check out 20 reasons why you should take your family to the party over on our sister site AOL Travel.