Jennifer Lawrence and Emma Stone were also seen lip syncing Adele's hit songs.
Plus, watch other A-Listers dance to Adele's tunes in the crowd!
Katy Perry and Jennifer Aniston's friendship might be a little weird though -- they both dated John Mayer.
Jennifer Aniston and Jason Batemen were also in attendance at the A-List bash.
See the adorable pic!
The comedienne with the caustic tongue seems to have rubbed the Kardashians the wrong way, but she thinks the family should grow a thicker skin.
ET takes you inside the star-studded bash for Stella McCartney's Autumn 2016 Presentation
The stars attended Stella McCartney's Autumn 2016 Presentation at Amoeba Music in LA on Tuesday night, where Johnny Depp performed!
How many A-listers were at Stella McCartney's L.A. bash on Tuesday night?!
Leonardo DiCaprio appears single, ready to mingle.
Yowza! These two shared a close conversation, and maybe a dance.
The actor moved in very close for his conversation with the pop star.
The actor's visit to promote tourism did not exactly go as planned.
'The Force Awakens' actor talked to ET about sitting in on a scoring session with John Williams.
