Celebrities joined inspirational young people at this year's Radio 1 Teen Awards in London.
The station's DJs Nick Grimshaw and Fearne Cotton hosted the event which celebrated the achievements of British teenagers.
Tulisa from N-Dubz and X Factor's Olly Murs were at the ceremony in which three awards were presented to 16 and 17-year-olds.
Teen Community Hero winner Alex Williams lost the use of his legs when he got the illness meningitis. He now helps other disabled children and is a local sports ambassador.
Lots of musicians performed on stage including Katy Perry, Professor Green and The Wanted.
JLS were there too. The evening also involved several celebrity winners who were voted for by Radio 1 listeners.
No surprises who got the Teen Sporting Hero award - it went to ace diver Tom Daley!