Just because someone has a ton of money, that doesn't mean they tip well. Check out this list of Hollywood's 10 worst tippers . . .

 

  • Katherine Heigl 

  • Sean Penn 

  • Britney Spears 

  • Kirsten Dunst 

  • Usher 

  • Rachael Ray 

  • Bill Cosby 

  • Jeremy Piven 

  • Madonna 

  • Tiger Woods

 

 

 

(Photos courtesy of Getty Images)  Source