Tinie Tempah guest hosts, with guests Pixie Lott, Example, Chris Ramsey and Joey Page.
Edith Bowman and Reggie Yates introduce a set from Tinie Tempah.
Fearne Cotton and Reggie Yates introduce live performances by Jessie J and Tinie Tempah.
Musician and producer Mark Ronson presents. Guests include Alesha Dixon and Tinie Tempah.