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Jessica Ennis-Hill of Britain on stage

Britain Olympics - Team GB Homecoming Parade - Manchester - 17/10/16 Jessica Ennis-Hill of Britain on stage Action Images via Reuters / Craig Brough Livepic EDITORIAL USE ONLY.

British heptathlon star Jessica Ennis

British track and field star and former World heptathlon champion

Jessica Ennis will be hoping the home advantage can help her win gold in London.