Brittney Jokes

Shaggy, Shania Twain, and Brittney Spears were in an elevator. Someone farted. Shaggy said, It Wasnt Me, Shania said, That Dont Impress Me Much, and Brittney said, Oops I Did It Again!
The next day they entered the elevator again. Someone farted. Shaggy said, It Wasnt Me, Shania said, That Dont Impress Me Much, and Brittney said, Stronger Than Yesterday!

Q:What is the differance between Brittney Spears and an airplane?
A: Not everybody has been in a airplane