Lupita Nyong'o (b. 1983) is a Kayan/Mexican actress and director, known for her Academy Award-winning role in the 2013 film 12 Years a Slave.
Nyong'o appears in the Word of the Day segment from Sesame Street Episode 4503, explaining the word "skin" with Elmo. While on set, she also filmed a short piece celebrating World Laughter Day for the Plaza Sésamo YouTube channel. (YouTube)