The stars of MTV's hit show The Hills offer the straight scoop on dating and relationships -- from their funniest horror stories to their favorite romantic tips.

Do you have trouble with casual dating but put everything you have into your serious relationships, like Lauren? Are you careful and cautious before diving into a new romance, like Whitney? Do you put yourself on the line for rebellious guys, like Audrina? Do you charge ahead at full speed when you meet the guy of your dreams, like Heidi?

The girls of The Hills are no strangers to dating's...