Photo: Empics
In case you were wondering, Jessie arrived in a sheer red dress with strategically placed embellishments and big red knickers. It looks like she couldn't shun her style staple for the whole evening, though. For the after party the singer changed into a tiger print top top and bottoms (a literal cat-suit) from Topshop!
Photos: PA/Empics
And for more Brits style, check out the red carpet gallery below:
- Adele in Burberry

- Kylie Minogue in YSL

- Lana Del Rey in Vivienne Westwood

- Jessie J in Falguni and Shane Peacock

- Florence Welch in Alexander McQueen

- Nicole Scherzinger

- Cher Lloyd

- Will.I.Am

- Abbey Clancy

- Pixie Lott

- One Direction

- Caroline Flack

- Lisa Snowdon

- Alexandra Burke

- Emma Bunton

- Dermot O'Leary and Dee Koppang

- Fearne Cotton

- Holly Willoughby

- Kelly Holmes

- Paloma Faith

- Noel Gallagher

- James Cordon

- Tinie Tempah

- JLS

- Lydia Rose Bright

- Mark Wright

- Katie Melua

- Jo Whiley

- Sara Cox

- Dizzee Rascal

- Ed Sheeran

- Christina Perri

- Victoria Pendleton

- Olly Murs

- Emeli Sande

- Louie Spence

- Jack Whitehall

- Rihanna in Givenchy Haute Couture by Riccardo Tisci

