prima ballerina /bal-ə-rēnˈə or ba-le-rēˈna/ or prima ballerina assoluta /as-so-looˈta or -tə/ noun (pl prima ballerinas or prime /-mā/ ballerine /-nā/ assolute /-tā/)

The leading ballerina (Ital assoluta without rival)

prima donna or prima donna assoluta /donˈə or donˈna/ noun (pl prima donnas or prime donne /-nā/ assolute)

1. The leading female singer in an opera company (without rival)
2. (prima donna) a person, esp a woman, who is temperamental, over-sensitive and hard to please