Radio 1's Big Weekend in Bangor

The crowds arrive at the at Vaynol Estate in Bangor Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Cheryl Cole performs on the main stage Photograph: Yui Mok/AP Photograph: Yui Mok/guardian.co.uk Justin Bieber sends the crowd into paroxysms of ecstasy Photograph: Andy Sheppard/Redferns Photograph: Andy Sheppard/guardian.co.uk Alicia Keys on the main stage Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Tinie Tempah on the In New Music We Trust Stage Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Kelly Rowland at the Radio 1 Big Weekend Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Roy Stride of Scouting For Girls Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Jared Lato of 30 Seconds To Mars Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk DJ Chris Moyles on the main stage Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Florence Welch Photograph: Yui Mok/PA Photograph: Yui Mok/guardian.co.uk Dizzee Rascal Photograph: Samir Hussein/Getty Images Photograph: Samir Hussein/guardian.co.uk