STYLE
08/08/2011 11:31 BST | Updated 08/10/2011 06:12 BST

Jessie J Rocks Purple Hair At The Big Chill

At first we thought the the shocking purple hairstyle that Jessie J was sporting at the Big Chill festival last week must have been a Katy Perry-style wig. But on closer inspection, we're not so sure...