Do it like a trouper! Jessie J soldiers on to perform at Summertime Ball despite badly injuring her foot in rehearsals

By DONNA MCCONNELL and JODY THOMPSON Tough cookie: Jessie J played the Capital Radio Summertime Ball at London's Wembley Stadium tonight despite being in agony after she ruptured tendons in her foot rehearsing yesterday She'd been left in excruciating pain just 24 hours earlier after falling from a platform and tearing tendons in her foot while rehearsing for the show at London's Wembley