de rigueur

Back then, orange blossoms were the de rigueur flower of wedding bouquets.

When he first opened, he dutifully stocked his back bar with ingredients for de rigueur cocktails: cranberry juice for Cosmopolitans and a $100 jar of fancy olives for Dirty Martinis.

But their institutional weight made it de rigueur in Southern California philanthropy.

Membership at the Palm Royale is de rigueur, and once inside, Maxine claws her way to the top of society while hiding her secret poverty.

You can expect glamorous gowns and awfully prolonged standing ovations — at Cannes, such things are de rigueur — but what distinguishes this year’s lineup?