Here are all the outfits as the stars arrived ahead of the ceremony.
Image: Starting with the One Battle After Another stars, here's Leonardo DiCaprio, who kept his tux simple
Image: Co-star Teyana Taylor brought the drama in chocolate brown and ruffles
Image: Fellow One Battle co-star and first-time nominee Chase Infiniti was up for best actress and the rising star award
Image: KPop Demon Hunters' Golden singers - Rei Ami, Ejae, and Audrey Nuna. Any outfit containing a dog goes straight to the top our best-dressed list. All pictures: Ian West and James Manning/ PA
Image: Bugonia star and two-time BAFTA winner Emma Stone was in the running for best actress
Image: Hamnet star and best actress winner Jessie Buckley with director Chloe Zhao. The movie also won the award for outstanding British film
Image: And here's fellow Hamnet star Paul Mescal (and another look at the back of Buckley's stunning royal blue gown)
Image: Paddington Bear, sporting a blue duffle coat and red hat (marmalade sandwich underneath, naturally)
Image: Kate Hudson was nominated for best actress for her performance in Song Sung Blue
Image: Timothee Chalamet, aka Marty Supreme. He was the favourite to win best actor, but lost out to British star Robert Aramayo
Image: And here's his co-star, Odessa A'zion
Image: The Traitors US presenter Alan Cumming hosted this year's show
Image: Sinners star Michael B Jordan was up for best actor alongside Chalamet, Aramayo, DiCaprio, Ethan Hawke and Jesse Plemons
Image: Kate and William brought some royal style to the event
Image: Emily Watson stars in Hamnet alongside best actress winner Jessie Buckley
Image: Sentimental Value star Renate Reinsve, stunning in a black cut-out gown, was nominated for best actress
Image: Another Sentimental Value star up next - Stellan Skarsgard, who was nominated for best actor, and his wife Megan Everett-Skarsgard
Image: Kerry Washington was among the stars presenting awards
Image: Saja Kilani, star of The Voice Of Hind Rajab, a nominee in the film not in the English language category
Image: Two-time BAFTA nominee Riz Ahmed presented an award
Image: Monica Bellucci, in bold, floor-sweeping black, was another award presenter
Image: Singer Jessie Ware performed during the In Memoriam section
Image: Actor and filmmaker Farhan Akhtar and actress-singer Shibani Dandekar
Image: Wunmi Mosaku picked up the award for best supporting actress for her performance in Sinners
Image: Golden Globe winner Rose Byrne was nominated for best actress for her performance in If I Had Legs I'd Kick You
Image: The White Lotus star Aimee Lou Wood presented an award
Image: The Ballad Of Wallis Island star Carey Mulligan
Image: Model and TV presenter Leomie Anderson
Image: Music star and actress Little Simz
Image: Weapons star Benedict Wong
Image: British actress Jenna Coleman looked stunning in an ornately embellished, part see-through gown
Image: US star Maggie Gyllenhaal presented an award
Image: Lollipop star Posy Sterling was nominated for the rising star award