Emma Watson photoshoot in 1950's style for 'My Week With Marilyn': Emma Watson goes back to the 1950s in this new still from My Week With Marilyn. The 20-year-old actress will play Lucy, an assistant in the wardrobe department at Pinewood studios, in the biopic based on Colin Clark’s memoir. Clark described Lucy as ‘one of the prettiest little girls I have ever seen in my life… slim as a wand, curly brown hair, huge brown eyes and a wide cheeky grin.’