Few things are more contagious than laughter. When someone starts laughing hysterically, it is very difficult for the people around them not to catch it. This effect is multiplied by a thousand if the one with the laughing fit is a baby. In this video, the little girl can't hold back her laughter when she sees her dog eat popcorn and inevitably everyone who sees it will start laughing non-stop. One of the funniest videos we've found on the net lately. We guarantee that if you see it you will not be able to stop for a while, so be forewarned.