Puritanical

[Rihanna]

Of or pertaining to the Puritans, or to their
doctrines and practice.

[Greta]

[Religious] [rules] limiting the sexual [expressions] of members of the group.

[Cami]

Practicing or affecting strict religious or moral behavior.

[Vania]

believing or involving the belief that it is important to work hard and control yourself, and that pleasure is wrong or unnecessary: