Popsugar Celebrity April Fools' Day Kit Harington's April Fools' Prank on Rose Leslie 2019 Joke's on Him! Kit Harington's April Fools' Prank on Rose Leslie Totally Backfired on Him 10 April 2019 by Monica Sisavat Solís First Published: 9 April 2019 View On One Page Photo 5 of 5 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 5 Previous Next Start Slideshow April Fools' DayLate Night HighlightsRose LeslieKit HaringtonLate Night With Seth MeyersCelebrity CouplesSeth Meyers