One Direction win big at Radio 1 Teen Awards
One Direction are the big winners at this years Radio 1 Teen Awards, taking two of the top prizes.
They won best British group and best British single for Drag Me Down.
The prize was collected on the band's behalf by DJ Greg James, who revealed that One Direction will play a special Live Lounge on Radio 1 on Thursday 12 November.
Best film was given to The Hunger Games: Mockingjay Part 1, while The X Factor picked up best British TV show.
Ed Sheeran took home best British solo artist, while Joe Sugg won best British vlogger, beating his sister Zoella to the prize.
As well as handing out awards to celebrities, the ceremony also celebrated the achievements of three Teen Heroes.
The 2015 Teen Heroes are Alice, a 14-year-old carer from Gloucestershire, Rosie, 14, who is a fundraiser from Coventry with a highly malignant primary brain tumour and Aaren, a 16-year-old from Bristol who was born with gender dysphoria.
The Teen Awards were hosted by Radio 1 Breakfast Show host Nick Grimshaw, with co-hosts Demi Lovato, Rita Ora, The Vamps and Troye Sivan.
The audience, made up of thousands of screaming 14 to 17-year-olds, saw performances by Little Mix, Nick Jonas, 5 Seconds of Summer, All Time Low and Demi Lovato at the SSE Wembley Arena.
Justin Bieber kicked off the event with a surprise appearance.
Other special guests included Idris Elba, Olly Murs, Jim Chapman and Keith Lemon.
Highlights from the event can be found on Radio 1's BBC iPlayer channel and on the Radio 1 YouTube channel.