The stars nearly all showed solidarity with the “Me Too” movement and the “Time’s Up” campaign by shunning colour and wearing black gowns.
I, Tonya star Margot Robbie had everyone swooning with this look.
The Australian-born actress, who lived in the UK for a while, turned heads in her Givenchy chiffon gown.
Another actress who wowed on the red carpet was award season veteran Jennifer Lawrence.
Donning a custom Dior gown, she will always be the belle of the ball.
Jennifer Lawrence looked splendid as she arrived for the prestigious annual event.
Another American starlet has graced the red carpet in London - Angelina Jolie.
Looking incredible in a figure-hugging gown, Angelina has never looked better.
She may have starred as Cinderella in the hit movie, but actress Lily James knows how to turn heads before midnight as well.
The Darkest Hour actress looked beautiful in an off-the-shoulder tulle dress by Burberry.
Proving an all-black dress code needn't be boring, Lupita Nyong'o worked the shade with aplomb.
The Black Panther actress opted for an Elie Saab gown from the brand's couture collection.
BAFTA nomiee Saoirse Ronan looked insanely good in her Chanel dress from the pre-fall collection.
The Ladybird star has nailed award season so far, and Karl Lagerfeld has obviously been paying attention.
The Duchess of Cambridge arrived to the BAFTAs looking amazing in a green Jenny Packham dress.
The pregnant royal shunned the all-black dress code.