Britain's Jenson Button clinches the 2009 F1 drivers' championship in Brazil with a classy drive to fifth.

Button now heads to the finale in Abu Dhabi in two weeks time with 89 points on the board, 15 more than Sebastian Vettel, who moves up to second.

Rubens Barrichello meanwhile drops to third in the standings, 2 points off Vettel, whilst Interlagos winner, Mark Webber increases his tally to 61.5 points.

In the Constructors' championship, Brawn Grand Prix sows up the honours to make it a double celebration in Sao Paulo - 161 points on the board, compared to the 135.5 scored by Red Bull Racing and the 71 notched up by McLaren, who move ahead of Ferrari - albeit by just 1 point.

To see the full championship standings following this weekend's Brazilian GP CLICK HERE.