BEST: Saoirse Ronan in Calvin Klein - flawless.
BEST: Jennifer Lawrence in Dior Couture will go down as one of her best looks ever.
BEST: Daisy Ridley in couture Chanel was a breath of fresh air on the Oscars red carpet.
BEST: Cate Blanchett is sticking with Armani for good reason.
BEST: Alicia Vikander cemented her style star status in Louis Vuitton.
BEST: Margot Robbie's Diane Von Furstenberg gold gown shouldn't work, but does. And well.
BEST: Jennifer Garner, now that's how you stun after an explosive Vanity Fair, post-Ben Affleck interview.
BEST: Rooney Mara added some elegant edge in Givenchy.
BEST: Lady Gaga is ethereal in a white Brandon Maxwell jumpsuit.
BEST: Rachel McAdams' impossibly sexy gown by Gucci might have stolen the show.
BEST: Charlize Theron's dazzling red number is hard to beat.
BEST: Chrissy Teigen took maternity chic to whole new levels.
BEST: Mindy Kaling looked impossibly elegant.
BEST: Naomi Watts + Armani = stunning.
WORST: Julianne Moore's black Chanel gown looked more appropriate for an impossibly chic funeral.
WORST: Kerry Washington, we love you, but not this dress.
WORST: Brie Larson may have won the Best Actress award, but might also be worst dressed on the night.
WORST: Kate Winslet's shiny bin bag did nothing for her.
WORST: Costume designer Sandy Powell made sure we all know her name.
WORST: Does anyone else feel like Reese has worn this before?