The popstar was presented with the honour at last night's Elle Style Awards (February 18) in London by Kylie Minogue.
Take a look at our red carpet gallery from the awards here.
Meanwhile, Thor actor Tom Hiddleston accepted the Elle Man of the Year award via video message.
Former Harry Potter star Emma Watson took home the Actress of the Year gong at the 17th annual awards ceremony, Lily Allen won the UK Recording Artist Female gong.
Suki Waterhouse, who is dating actor Bradley Cooper, won the Elle Model of the Year award.
The ceremony was hosted by BBC Radio 1 Breakfast Show presenter Nick Grimshaw.
Take a look at the full list of winners at the Elle Style Awards below.
UK Recording Artist Female: Lily Allen
British Designer of the Year: Christopher Kane
ELLE Model of the Year: Suki Waterhouse
UK Recording Artist Male: Tinie Tempah
Accessory Designer of the Year: Kate Hillier
ELLE Man of the Year: Tom Hiddleston
Red Carpet Designer of the Year: Emilia Wickstead
Contemporary Designer of the Year: Isabel Marant
Fashion Innovator: Nicola Formichetti for Diesel
International Recording Artist: Pharrell Williams
Actress of the Year: Emma Watson
Lifetime Achievement: David Bailey
ELLE Woman of the Year: Katy Perry