Mariah Carey might be the one who loves diamonds, but it's Nick Cannon who's wearing $2 million worth of 'em! Yes, daahlings, Mr. Cannon, 33, wore an all-diamond pair of shoes for the season 9 finale of America's Got Talent. And while his marriage might be fading out, these blinged-out Tom Ford kicks are not. In fact, according to Women's Wear Daily, these shoes have more than 14,000 full-cut round white diamonds set onto white gold, with a total carat weight of 340 carats. Nick's over-the-top accessories were created by Jason Arasheben, founder of the jewelry business Jason of Beverly Hills, who told Wwd pre-taping he was "expecting a 'wow' factor for...