It's hard to believe that it's been nearly six years since Keeping Up With the Kardashians launched Kim, Khloe, Kourtney and the rest of their family into the stratosphere of fame.

But after years of countless endorsements, magazine covers and red carpet appearances, it seems that the world is finally reaching the end of an era: With Kardashian products tanking, ratings down and Lamar Odom threatening to derail the entire family with his serial philandering and drug use, industry insiders increasingly agree that they simply cannot hold on much longer.