Love is love, as they say, so it’s no surprise that royals around the world have fallen in love with commoners over the years. While some, like Kate Middleton, were welcomed with open arms, others haven’t had it quite so easy. Just ask paralegal Kei Komuro, who recently wed Japan’s Princess Mako. Here are 21 commoners who married into royalty. Grace Kelly became royalty after tying the knot with Rainier III, the Prince of Monaco Grace Kelly, the daughter of a three-time Olympic gold medallist in rowing, began her acting career in 1950, but she retired in 1956 to marry...