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

1.
la alta sociedad, la élite, la crema y nata
the highest class or most privileged people in a society
:
•
They belong to the upper crust of society.
Pertenecen a la alta sociedad.
•
Only the upper crust can afford to live in that exclusive neighborhood.
Solo la alta sociedad puede permitirse vivir en ese exclusivo vecindario.