Popsugar Celebrity Weddings Kit Harington and Rose Leslie's Wedding Facts 10 Facts You Didn't Know About Kit Harington and Rose Leslie's Wedding 26 June 2018 by Brinton Parker View On One Page Photo 14 of 14 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 14 Rose's Honeymoon costar, Penny Dreadful actor Harry Treadaway, brought actress Holliday Grainger as his date. Previous Next Start Slideshow WeddingsRose LeslieKit HaringtonCelebrity Weddings