Will Smith shockingly hits Chris Rock following a poor joke made about his wife Jada's hair, historic wins in the Best Supporting Actor and Actress categories for Troy Kotsur and Ariana Debose as well as first time wins for established powerhouse stars like Jessica Chastain and Will Smith. Also amazing performances from Beyoncé, Reba McEntire, Sebastián Yatra and new Oscar winner Billie Eilish.