We all knew Avatar couldn't dominate the box-office forever, but I would never have guessed the movie that would finally put an end to its dominant run would be the weepy chick flick Dear John. Avatar has been the box-office champ every week since its Christmas release until this weekend, when Dear John dethroned it. The sappy love story, starring Channing Tatum and Amanda Seyfried will now be the answer to a super nerdy trivia question. But here's the cool part: now you know the answer, which will pretty much impress no one. You're welcome.