Lupita Nyong'o brought a high dose of winning spirit to the NAACP Image Awards in LA on Saturday, lighting up the stage with a huge smile. The excitement started when Lupita stepped foot onto the red carpet, donning a revealing Givenchy  dress and gold H. Stern jewelry. After making her way into the Pasadena Civic Auditorium, Lupita soon discovered she'd won the best supporting actress award for her riveting performance in 12 Years a Slave. Her happiness didn't stop at the stage, though — the actress was elated to show off her new trophy, and chatted up stars like Michael B. Jordan and Forest Whitaker . Keep reading to see Lupita celebrate her win, and then check all the red carpet arrivals !