 Complete the following phrase:  Katherine Kat Driscoll born 13 March 1986 is a British trampoline gymnast, and has been ranked as world number one. She became a full-time athlete in 2010, and has since won team and synchronised medals at the World and European Championships. She was chosen for the British team for the 2012 Summer Olympics after earning Great Britain a spot in the Womens Trampolining following her performance at the 