Team GB poster girl delivers Great Britain's TWELFTH gold of the Games She stormed to gold by winning 800m in front of 80,000 home crowd Javelin: Jessica Ennis threw a lifetime best of 47.49m, smashing her previous personal best of 47.11m. Long Jump: Managed 6.40m in the second round and 6.48m in the third Heptathlete racked up a 188-point lead by mid-afternoon, setting her up for tonight's 800m run

By Jill Reilly and Chris Parsons

PUBLISHED: 08:19 EST, 4 August 2012 | UPDATED: 17:05 EST, 4 August 2012

Jessica Ennis tonight lived up to her pre-Games billing as the golden girl of British athletics by storming to gold in the Olympic heptathlon.

The 26-year-old Sheffield star earned Great Britain's twelfth gold - and Team GB's fourth of five on 'Super Saturday' - following her 1st place finish in the 800m.

Roared on by a partisan 80,000 crowd, home favourite Ennis looked overcome with emotion after becoming Olympic champion at her first ever athletics contest in London.

Top of the pile: Ennis throws her arms into the air after topping the podium in style by winning the 800m

World's greatest: The Sheffield athlete won the heptathlon with 6995 points - over 300 more than her nearest rival

She's done it: Ennis cannot contain her joy after her stunning heptathlon performance in the Olympic Stadium

Queen of the heptathlon: Ennis was crowned Olympic champion in her first ever athletics contest in London

Link:
London 2012: Jessica Ennis going for gold in heptathlon with only the 800m left to run as she smashes personal best in ...