Due to a serious injury, having broken her foot in two places Jessie J has had to undergo emergency surgery. As a result of this, under strict orders from her doctor she will not be able to perform for a number of weeks so she can heal and recuperate properly. She is extremely upset and has sent a message to all her fans.

"Sorry doesn't feel enough to say, I am devastated for my fans that I know have been waiting to see me and working hard for tickets. I was so excited about the summer and I'm as upset as you all are. But unfortunately these things happen. I have to remain positive and I promise I will make it up later in the year."

The festivals affected are:
Paris: Orange Rock Corps
T In The Park
Oxegen
T4 On The Beach
Wembley: Orange Rock Corps
i-Tunes Festival
Lovebox
Radio Aire Party In The Park
Key 103 Summertime Live
Summer Sonic Japan
Digester Event Stockholm