When you visit one of the theme parks then visit guest relations on arrival and tell them its your birthday.

 

Visit ‘City Hall’ on Main Street in the Magic Kingdom, ‘Guest Services' in EPCOT, 'Guest Services' in Disney's Hollywood Studios and ‘Guest Services’ in the Animal Kingdom for a ‘"IT'S MY BIRTHDAY" button

 

Disney are also offering FREE entry if its your birthday this can make your tickets go a bit further. 

 

You can also get a six inch  birthday cake at many restuarants.  These six inch celebration cakes  are around $25.00. These do not require advance notice and can be requested at the podium of the full serve restaurant.

For confirmation and customised orders call the  Cake Hotline: 407-827-2253 at least 5 days in advance.

 

Advance booking is required for many of the character dining events.

 

For the Cinderella's Royal Table you must call exactly 180 days before your required day:

• Call 1-407-WDW-DINE (1 407 939-3463) or from the uk 001 407 939 3463
• WDW Dining opens at 7am Eastern Time (12pm GMT).
• Start calling a few minutes before 7am, and hit redial if you get a message saying they are closed. Keep on holding until you get answered.