It all started about two years ago when Isabel Marant graced the runway with a pair of bright red jeans. It was then that we all began to realize that a basic pair of blue, black or grey denim jeans were not merely enough. We now crave for that burst of flavor that's still trending since 2010. This definitely leaves us asking, "Is red the new blue?" Here are a few ways some of our celeb fashionista's paired up their red jeans.