When two superstars collide, the pair form an entertainment supernova — a true power couple. From Jay-Z and Beyoncé to David and Victoria Beckham, power couples have captivated the headlines — and the masses — for decades. Find out which celebrity couples are among the richest and most powerful in the business. “Game of Thrones” actors Kit Harington and Rose Leslie take a spot on this list, largely due to Harington’s $1.1 million-per-episode salary on the hit HBO series.  The two met while filming the show’s second season, which aired in 2012. Though they reportedly split after a year of dating, the two rekindled their flame and publicly appeared as a couple in 2016. A year later, the two announced their engagement and officially tied the knot in June 2018 in Scotland. Fashion icon Nicole Richie and former Good Charlotte band member Joel Madden have been an item since 2006. Married since 2010, they have two children together — Harlow and Sparrow. Richie is a fashion designer and owns the line House of Harlow 1960, which showcases her boho-chic style. She also starred in the short-lived comedy series “Great News” from 2017 to 2018, for which SNL alumna Tina Fey served as executi...