Some of the biggest names in urban music have been confirmed to perform at the third ever BBC Radio 1Xtra Live, which this year takes place at London's Wembley Arena on Saturday 25th September 2010.
N-Dubz will headline the concert, which is the UK's biggest free urban music event*.
Tulisa from the band said: "We can't wait for 1Xtra Live. It's going to be one of the best gigs of the year. I hope everyone is ready to party!"
The band will be joined by fellow British No.1 acts Tinie Tempah, Tinchy Stryder and Roll Deep and US chart-toppers Jason Derulo and B.o.B.
The exciting line-up also includes exciting new and emerging artists including Jamaican reggae singer Gyptian, grime lyricist Devlin and Katy B and Labrinth, who are bursting on to the scene at the moment.
The artists will be performing to over 10,000 people and the event will be broadcast live on a special simulcast show on BBC Radio 1 and BBC Radio 1Xtra.
Ben Cooper, Deputy Controller, BBC Radio 1Xtra says: "As a station we're committed to bringing the very best live music to our audience and supporting both established and emerging artists. This incredible line-up reflects what has already been a great year for urban music and for 1Xtra".
The event was announced in Trevor Nelson's Radio 1 and 1Xtra simulcast show on Saturday 28th of August.
The full line up is as follows:
N-Dubz
Tinie Tempah
Jason Derulo
B.o.B
Tinchy Stryder
Roll Deep
Gyptian
Katy B
Devlin
Labrinth
The event will be co-hosted by BBC Radio 1Xtra's Breakfast Show presenters Trevor Nelson and Gemma Cairney. Tim Westwood and MistaJam will be DJing between sets.
* Tickets will be available nationally from 7.30pm on Saturday 11th September. Entrance is free but ticket handling charges apply. See www.bbc.co.uk/1xtra for further details.