Jessica Chastain, a 49-year-old Oscar-winning actress, has debuted a new hairstyle at the annual Breakthrough Prize ceremony in Santa Monica, California. The actress's transformation was made public via a video posted on Instagram showing her before and after longtime hairstylist Renato Campora had her hair cut. The event, known as the "oschende", also attracted celebrities including Gigia Hadid, Anne Hathaway, Robert Downey Jr., Michelle Yeoh, Octavia Spencer, Salma Hayek Pinault, and Oscar Isaac.