Anyone who's anyone (a.k.a. not me) knows the hottest ticket on Oscars night isn't the Academy Awards, but Beyoncé and Jay Z's exclusive after party. This year, the star-studded and highly-private fête at Chateau Marmont included the likes of Rihanna, Kim Kardashian, Kanye West, Reese Witherspoon, Travis Scott, Charlize Theron, Timothee Chalamet, Ellen Pompeo, Natalie Portman, and Adele—who single-handedly shut down the party in a leopard-print look.