To get into heaven you had to walk up 100 stairs but on each stair god asks you a joke if you laugh you go to HELL.
So the brunette gets to the 56th stair and bursts out laughing and gets sent to hell.
Then the red-head gets to the 97th stair and bursts out laughing and gets sent to hell.
Then the blonde gets into heaven and bursts out laughing then god asked her, 'Why are you laughing?'
The blonde replied, 'I just got the first one!'
Next Joke: How do you make a blonde laugh on friday