Denim on denim, commonly referred to as a "Canadian Tuxedo,” has become a fashion faux pas over the years. Maybe it's thanks to that iconic Britney Spears and Justin Timberlake appearance? Recently, though, we’ve watched today’s top celebrities and fashion influencers step out in double denim outfits that command attention. Case in point: Statement-maker Rihanna. Click through for five times Bad Gal RiRi totally slayed the denim game, reminding us that when it comes to fashion, the rules are meant to be broken.