Sebastian Vettel becomes youngest-ever F1 world champion . Fernando Alonso ace takes title after winning title deciding race in Abu Dhabi . Lewis Hamilton sees his hopes disappear after finishing second . Jenson Button of Fernando Alonso and Jenson Button take second and third .
Sebastian Vettel becomes youngest-ever F1 world champion . Red Bull ace takes title after winning title deciding race in Abu Dhabi . Fernando Alonso sees his hopes disappear after finishing seventh . McLarens of Lewis Hamilton and Jenson Button take second and third .