Men's suits at the Oscars 2014 - black or not?

Yes, we should admit that Leonardo DiCaprio looks great in his Giorgio Armani Made to Measure black one-button lape three-piece tuxedo at the Oscars 2014. He looks elegant, stylish and classy.
But let's take a look at the celebrities who were braver and chose other colors for their suits and you decide if they were right to do it...