A blonde, a brunette and a redhead arrive in front of Saint-Pierre who says:
You three have a lot of lying in your life so before entering Paradise, you will have to stay one day without lying, otherwise it's hell. End of the day, the brunette looks in a mirror and says: I think I'm the most beautiful brunettes.
Pffich! In hell. Then it's the redhead who looks at the same mirror: I think I'm the most beautiful redheads.
Pffich! Same thing. Then the blonde arrives and says:
I think...
Pffich!