Nicole Kidman and Jennifer Aniston couldn't contain their delight at bumping into each other.
Hollywood heavyweights and Once Upon A Time In Hollywood co-stars Al Pacino, Leonardo DiCaprio and Brad Pitt paused for a photo op.
Elisabeth Moss hit the dance floor.
Joaquin Phoenix hugged fellow nominee and Rocketman star, Taron Egerton.
Big Little Lies star Zoe Kravitz channelled Audrey Hepburn at the Netflix afterparty.
Outstanding Performance by a Female Actor winner, Laura Dern hung out with Rainey Qualley, Maya Hawke, Margaret Qualley, Zoe Kravitz and Jaya Harpe.
Leo spent time with his Once Upon A Time In Hollywood co-star Julia Butters.