On March 25, 2022, Princess Märtha Louise of Norway and Leah Isadora Behn attended the premier of the film "Long Flat Balls 3" at Fredrikstad Cinema in Fredrikstad, Norway. Long Flat Balls 3 (Lange Flate Ballær III) is a 2022 Norwegian comedy film directed by Harald Zwart. Princess Märtha Louise wore a high neck, merino wool sweater by Hest.