This sound is from Sound Effects - Littlest Pet Shop - Miscellaneous (DS - DSi)

Disney Princess, also called the Princess Line, is a media franchise and toy-line owned by The Walt Disney Company. The franchise has released dolls, sing-along videos, apparel, beauty products, home decor, toys, and a variety of other products.
See also: Cubix, Star Wars, Power Rangers, and 2000s.