Hollywood makeup artist and Avon ambassador Lauren Andersen was extremely busy day of the 2016 Met Gala. Not only was she doing the makeup of three celebrity attendees — actresses Ellie Bamber and Saoirse Ronan, as well as model Hannah Davis — but she also took over POPSUGAR Beauty's Instagram. There, she shared a behind-the-scenes peek into what's like to get ready with the stars. Keep reading to see a recap of that day including the products she used, makeup swatches, and which stylist she worked with (Ted Gibson makes an appearance!). Then, also check out the final looks on these gorgeous celebrities.