Celebrity Star Tracks London Fashion Week Is Kicking Off with a Seriously Starry Party: See All the Stars Arriving (Plus What They Wore!) Sienna Miller, Kate Winslet and even Princesses Eugenie and Beatrice hit the red carpet for Vogue World on Thursday night By Kate Hogan Kate Hogan Kate Hogan is Director of Digital Specials and Features at PEOPLE, as well as the editor of Stories to Make You Smile. She has been working at PEOPLE since 2008. People Editorial Guidelines Updated on September 14, 2023 06:55PM EDT Close Sienna Miller and Kate Winslet on the Vogue World 2023 Red Carpet. Photo: Mike Marsland/WireImage; HENRY NICHOLLS/AFP via Getty The fashion world does not stop! On Thursday, some of the most stylish celebrities seemingly transported from the finale of New York Fashion Week to the beginning of London Fashion Week, hitting the red carpet at Theatre Royal Drury Lane for the seriously starry Vogue World event, which marks the next series of glamorous runway shows. From Kate Winslet and Sienna Miller (baring her bump!) to Princesses Beatrice and Eugenie, here's who arrived on the red carpet — and what they wore. 01 of 24 Princess Beatrice & Edoardo Mapelli Mozzi Princess Beatrice and Edoardo Mapelli Mozzi. Alan Chapman/Dave Benett/Getty 02 of 24 Princess Eugenie Princess Eugenie. Yui Mok/PA Images via Getty 03 of 24 Sienna Miller Sienna Miller. David Fisher/Shutterstock 04 of 24 Kate Winslet Kate Winslet. David Fisher/Shutterstock 05 of 24 Winnie Harlow Winnie Harlow. David Fisher/Shutterstock 06 of 24 Gemma Chan Gemma Chan. David Fisher/Shutterstock 07 of 24 Baz Luhrmann, Anna Wintour & Edward Enninful Baz Luhrmann, Anna Wintour and Edward Enninful. Gareth Cattermole/Getty 08 of 24 Dove Cameron Dove Cameron. Gareth Cattermole/Getty 09 of 24 Alexa Chung Alexa Chung. Mike Marsland/WireImage 10 of 24 Poppy Delevingne, Stella McCartney & Carey Mulligan Poppy Delevingne, Stella McCartney and Carey Mulligan. Gareth Cattermole/Getty 11 of 24 Shannon & Jared Leto Shannon and Jared Leto. Gareth Cattermole/Getty 12 of 24 Maisie Williams Maisie Williams. Mike Marsland/WireImage 13 of 24 Twiggy Twiggy. Gareth Cattermole/Getty 14 of 24 Yara Shahidi Yara Shahidi. Alan Chapman/Dave Benett/Gett 15 of 24 Jodie Turner-Smith Jodie Turner-Smith. Yui Mok/PA Images via Getty 16 of 24 Rita Ora Rita Ora. Yui Mok/PA Images via Getty 17 of 24 Sophie Okonedo Sophie Okonedo. David Fisher/Shutterstock 18 of 24 James McAvoy & Lisa Liberati James McAvoy and Lisa Liberati. Gareth Cattermole/Getty 19 of 24 Leomie Anderson Leomie Anderson. Alan Chapman/Dave Benett/Getty 20 of 24 Maude Apatow Maude Apatow. Alan Chapman/Dave Benett/Getty 21 of 24 Emilia Clarke Emilia Clarke. Gareth Cattermole/Getty 22 of 24 Nicola Coughlan Nicola Coughlan. Gareth Cattermole/Getty 23 of 24 Simone Ashley Simone Ashley. David Fisher/Shutterstock 24 of 24 Daisy Edgar-Jones Daisy Edgar-Jones. Alan Chapman/Dave Benett/Getty