The Top 12 Tough Standards to Be a Walt Disney World Princess

11. She must meet the physical requirements. There are some physical requirements for the role of princess in the Disney parks. The girl auditioning for the part must be between 5’4” and 5’7” tall. She must be at least 18 years of age, but she cannot be older than 30. The largest costume size for the princesses at Disney is a size 10, so any candidate must be a size 10 or smaller to secure the part.