After the "Spotlight" surprise win closed the night, they celebrated at Palihouse in West Hollywood, as Vanity Fair took over Beverly Hills, and Charlie Sheen made a statement with his t-shirt at the Elton John party.
"I guess Rocky fights Mark Rylance in Creed II," Twitter user @BillKuchman posted, opining on one of the big upsets of the night. Rylance showed off his hardware at Vanity Fair.
Joe Scarnici/Getty Images for Mercedes-Benz
Over at the Four Seasons, Tracee Ellis Ross and Jamie Foxx got face time at Mercedes-Benz and the African American Film Critics Association Oscar watch party.
Jamie McCarthy/Getty Images
Kelly Osbourne (with Jeff Beacher) came to greet Caitlin Jenner at her pit table at Elton John's party. Between Jenner, Mariah Carey, Zac Posen, and Dita von Teese, MAC had the second strongest power table in the room after Elton. It's impressive when a party sponsor brings their own marquee talent to an event.
Michael Kovac / Getty Images for EJAF
Only a few hours before they had to go back on-air for the "Today Show" on Monday morning, Al Roker and Natalie Morales hung with hosts Elton John and David Furnish on the night that they raised $6.2 million for the Elton John Aids Foundation. Two tickets to leave their party and go to the Vanity Fair party went for $110,000. "The cars are revving," the auctioneer taunted the crowd.
Michael Kovac/Getty Images
Eric McCormack's wife Janet Holden picked the most Oscar winners correctly and won the door prize at Elton John's party. Proud husband Eric snapped photos.
Michael Kovac/Getty Images for EJAF
Boy George, Elton, and Caitlin Jenner. Jenner could barely sit down. She had a constant stream of well-wishers at Elton John throughout the night. "No more pictures," one of her handlers declared internally as Jenner made a break for the door before the final awards of the night.
Two-time Oscar winner Hilary Swank slid a ring off her finger and auctioned it off for the Foundation. Right after the gavel dropped on it for $40,000, Swank went over to hug Russell Simmons.
Female world No. 1 Serena Williams and male world No. 3 Roger Federer have three weeks before the Miami Open. On Oscar night, they could enjoy Vanity Fair.
Billy Eichner arrives to the Hollywood Athletic Club for the Fox Searchlight party, where glittery guests like Naomi Campbell enjoyed a viewing and after bash celebrating "The Revenant" and "Brooklyn." Partygoers munched chicken satay and enjoyed Kim Crawford wine.
Fox Filmed Entertainment CEO Jim Gianopulos arrives to the Fox Searchlight Oscar viewing and after party, sponsored by Kim Crawford wine.
Naomi Campbell vamps it up at the Fox Searchlight bash, where guests danced and toasted Kim Crawford wines.