the upper crust
US /ðə ˈʌpər krʌst/
UK /ðə ˈʌpər krʌst/

1.
a alta sociedade, a elite, a nata
the highest class or most privileged people in a society
:
•
They belong to the upper crust of society.
Eles pertencem à alta sociedade.
•
Only the upper crust can afford to live in that exclusive neighborhood.
Apenas a alta sociedade pode se dar ao luxo de morar naquele bairro exclusivo.