Blonde's intelligence?

Q: How do you measure a blonde's intelligence?
A: Stick a tire pressure gauge in her ear!

Q: How do you get a blonde to marry you?
A: Tell her she's pregnant.

Q: What will she ask you?
A: "Is it mine?"

Q: A blond going to London on a plane, how can you steal her window seat?
A: Tell her the seats that are going to London are all in the middle row.