Jessie J performs on stage during the Summertime Ball at Wembley Stadium in London, Sunday June 12, 2011. Jessie J wears protection on her foot after injuring herself during rehearsals the previous ... more 
Jessie J performs on stage during the Summertime Ball at Wembley Stadium in London, Sunday June 12, 2011. Jessie J wears protection on her foot after injuring herself during rehearsals the previous day. (AP Photo/Yui Mok, PA) UNITED KINGDOM OUT - NO SALES - NO ARCHIVE less 
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Associated Press | Photo By Yui Mok, PA
Sun, Jun 12, 2011 5:06 PM EDT