Watch clips of your favourite pop acts at 麻豆社 Radio1's Teen Awards.
Aled explains the signifance and importance of Radio 1' new young person's initiative. Take It On.
The second hour of Radio 1's Teen Awards 2011 live from Wembley presentd by Nick Grimshaw and Mollie King from The Saturdays.
Jason Derulo shows Greg a few moves ahead of Radio 1's Teen Awards on Sunday.
Watch One Direction's full performance.
Reggie Yates and Sam and Harry from The Only Way is Essex present the award for the best best british single.
One Direction perform What Makes You Beautiful live from Radio 1's Teen Awards
Radio 1's Teen Awards: Pixie Lott entertains the crowd with her current hit All About Tonight.
Radio 1's Teen Awards : Ed Sheeran performs an accosutic set featuring 'Lego House', 'You Need Me', 50 Cent - 'In Da CLub' ''A Team'
Cher Lloyd performs Superhero live from Radio 1's Teen Awards.
Radio 1's Teen Awards: Pixie Lott brings this years Awards to a close with her brilliant live set including her current single, All about Tonight.
Cher Lloyd performs Superhero and Swagger Jagger live from Radio 1's Teen Awards.
Radio 1's Teen Awards: - Alec Martin
Radio 1's Teen Awards : Jason Derulo's full performance featuring 'In My Head' 'Ridin Solo' 'It Girl' 'Dont Wanna Go Home'
Jason Derulo finishes his energetic set with the current single 'Don't Wanna Go' from the 2011 Teen Awards
One Direction join Reggie live at a secret location to celebrate their debut No.1 hit!
Ed Sheeran entertains the Wembley crowd with an accousitc version of 'A Team'
Actual Joe Jonas pops in and ends up singing a brilliant song from magazine headlines.
Radio 1's Teen Awards Joe Jonas finishes his set with his current single, Just in Love.
Rizzle Kicks perform Down With The Trumpets live from Radio 1's Teen Awards
Cadet Pippa won her teen hero award for looking after her disabled mother
Jason Derulo finishes his energetic set with the current single 'Don't Wanna Go Home'
Radio 1's Teen Awards: Joe Jonas entertains the crowd at Wembley with his live performance.
Radio 1's Teen Awards: The third and final Teen Hero Award goes to Charlie Ward.