Between MTV's Video Music Awards and the president's speech at the DNC last night, you may have been too busy to catch the somber death knell of true love, but it happened when beloved celebrity couple Will Arnett (Gob on Arrested Development) and Amy Poehler (Parks and Recreations's Leslie Knope) announced they were ending their nine-year marriage. Just when we thought we'd finally put all these celebrity divorces behind us too ...