It's called My Disney Girl's Perfectly Princess Tea Party and it's held at the Grand Floridian.
Reservations can be made 90 days in advance by calling (407) WDW-DINE, a credit card is required at the time of booking. 72 hour cancellation notice is required.
It's a tea party (lasting 1.5 hours) with tea and Princess cake for two, hosted by "Miss Rose Petal" plus a Princess Aurora meet & greet.
Guests 3-11 will also receive:
* An 18" My Disney Girl doll dressed in a matching Princess Aurora gown, plus accessories
* A sparkling tiara, princess link bracelet, a special scrapbook set, and Best Friends certificate
* Guests are reminded to bring their own cameras and video cameras
* Should little boys attend, they will receive a Princely crown and plush Disney Bear
It's available Sunday - Monday, Wednesday - Friday from 10:30am to 12noon.
Cost for 1 adult plus 1 child (ages 3-11) is $200 (gratuity included; plus tax)
Each additional Guest ages 12+ is $65 (gratuity included; plus tax)
Each additional Guest ages 3-11 is $135 (gratuity included; plus tax)
hope that helps!