Kate Moss, Rita Ora and Harry Styles were among the star names at the 2013 British Fashion Awards.
One Direction singer Harry was presented with the British Style Award by three-time winner Alexa Chung.
He played it safe in an all-black outfit, letting the female guests light up the red carpet at the London Coliseum.
Rita looked Hot Right Now in a metallic Vivienne Westwood dress and Christian Louboutin heels, as she posed with supermodel Kate, who received a special recognition gong from the British Fashion Council for her 25-year long career and continued influence in the industry.
"Oh Moss the Boss how I love U!," the singer tweeted.
Model and actress Rosie Huntington-Whiteley was red-hot in a striking red and black Antonio Berardi suit.
Iron Man star Gwyneth Paltrow, who presented the international designer of the year award to Miuccia Prada, plumped for a plum and black dress by Prada, while Sienna - who gave Christopher Bailey the trophy for British brand - picked a show-stopping green dress by Burberry as she arrived arm-in-arm with fiance Tom Sturridge .
Winners included Christopher Kane, who was given the prestigious womenswear designer of the year accolade, Burberry - who won designer brand of the year and menswear designer of the year - and Edie Campbell, who was crowned model of the year ahead of Cara Delevingne, who won the prize in 2012.
Samantha Cameron, Donatella Versace, Tinie Tempah, Hayley Atwell and Suki Waterhouse also attended t he glitzy ceremony, which was hosted by comedian Jack Whitehall, at the London Coliseum.