Go Team JB! Celebrities and sporting stars show their support for brave Jo as she battles rarest form of cancer

Go Team JB! Celebrities and sports stars show their support for brave 29-year-old battling extremely rare heart cancerJo Bryant, 29, has a cardiac sarcoma heart tumour and was told by doctors that it was terminal and she would not 'be growing old' After the diagnosis Jo's friends formed Team JB – famous faces offering support include Cheryl Cole, Jonny Wilkinson and Prince Harry In February, doctors gave Jo 6-12 months to live, but she decided to have further gruelling chemotherapy – her tumours are shown to have shrunk Jo: 'I will never give up and that is my promise to all my friends and family' | UPDATED: 09:04 GMT, 9 July 2012 Determined: Jo Bryant, 29, from Horncastle in Lincolnshire has a cardiac sarcoma heart tumour When keen sportswoman Jo Bryant began collapsing during short runs on the hockey pitch she knew there was something deeply wrong with her body.