The Oscar-nominated actress, 41, looked effortlessly stylish as she stepped out at the event, which was hosted by Bond producer Barbara Broccoli, at The Covent Garden Hotel.
Dimension-hopping adventure Everything Everywhere All at Once tops the list of films nominated, with 11 nominations that include a spot in the prestigious best picture race.
The actor, 54, has been hailed by critics for his sensational comeback starring as 600lb English literature lecturer who wants to reconnect with his teenage daughter.
94th Oscars nominations will be announced on Tuesday. Fans will India will be able to catch the announcements live on the official YouTube, Twitter and Facebook pages of Oscars after 6.30 pm. It will be hosted by Tracee Ellis Ross and Leslie Jordan.