after a night out with friends is to boil a pot of pasta and add gravy might just just be a step too far. Speaking to British Vogue for its "In The Bag" social media series, "The Staircase" star admitted to keeping gravy granules in her Louis Vuitton Twist Bag in case of any food-related emergencies. The 26-year-old pulled out the Bisto gravy sachet and explained: "You know, when I got back from a night out with my friends, I'd put on the pot, make some pasta and put some gravy on it.