Swedish Prince Carl Philip and Sofia Hellqvist pictured in the carriage during their wedding in the Royal Chapel in Stockholm, Sweden, June 13, 2015. The prince is on this year's best-dressed list. Photo: Reuters
George Clooney and wife Amal Clooney pictured at the Metropolitan Museum of Art Costume Institute Gala 2015 in Manhattan, May 4, 2015. Mrs. Clooney is on this year's best-dressed list. Photo: Reuters
Singer Rihanna, pictured at the Metropolitan Museum of Art Costume Institute Gala 2015 in Manhattan, May 4, 2015, is on this year's best-dressed list. Photo: Reuters
Britain's Prime Minister David Cameron and his wife Samantha pictured leaving Buckingham Palace in London, May 8, 2015. Samantha Cameron is on this year's best-dressed list. Photo: Reuters
Spain's King Felipe (L) and Queen Letizia pictured during a ceremony at the Royal Palace in Madrid, Spain, June 19, 2015. The Queen is on this year's best-dressed list. Photo: Reuters
Actor Benedict Cumberbatch and wife Sophie Hunter, pictured at the 2015 Vanity Fair Oscar Party in Beverly Hills, February 22, 2015, are on this year's best-dressed list. Photo: Reuters
Singer Taylor Swift, pictured backstage during the 42nd American Music Awards in Los Angeles, November 23, 2014, is on this year's best-dressed list. Photo: Reuters