Oscar Pistorius has won his first individual gold medal of the Games in the 400m, and set a new Paralympic record in his signature event.
The South African stormed to a 46.68 second finish - more than three seconds ahead of the field - in the final athletics event at Olympic Stadium.
After a shock 200m loss and an expected 100m one, the 400m was the one title the 25-year-old wanted to keep hold of more than any other.
It is his event, the one at which he made history by becoming the first amputee sprinter to compete in the Olympics.
Pistorius called the victory "a highlight of my life".
The athlete is one of the the biggest draws in Paralympic sport and got a huge roar when introduced to the capacity crowd.
Last Sunday, Pistorius finished second behind Brazilian Alan Oliveira, prompting his now famous claims over competitors using longer blades.
On Thursday, Pistorius, known as Blade Runner, finished fourth in the 100m final which was won in stunning fashion by British poster boy Jonnie Peacock.
Pistorius leaves London with two golds, having also taken one in the relay, and a silver.
Earlier on Saturday, cyclist David Stone claimed Britain's 33rd gold of the Paralympics after successfully defending his road race title at Brands Hatch.
The 31-year-old, who won bronze in the mixed time trial, held off Italy's Giorgio Farroni to take the chequered flag.
It was the third gold of his career after winning two in Beijing.
Meanwhile, swimming sensation Ellie Simmonds added to her medal haul with a silver in the women's S6 100m freestyle final, but losing out to her biggest rival, American Victoria Arlen.
Simmonds, 17, from Walsall, has been one of the games' standout performers having won the nation's hearts by winning the 200m and 400m, as well as bronze in the 50m event.
Harriet Lee, making her Paralympic debut, won a bronze in the 100m breaststroke to add to her world title.
And Great Britain's David Smith won silver in the individual boccia, finishing behind Pattaya Tadtong of Thailand.
Today, thousands of people will line the capital's streets to watch David Weir go for a quadruple gold crown in the T54 wheelchair marathon.
The 33-year-old Londoner is unbeaten in this year's Games, winning all three wheelchair races in which he has competed and earning a place in the nation's hearts while doing so.
ParalympicGB lay third in the medals table behind China and Russia with 33 gold, 42 silver and 43 bronze - 118 altogether and 16 more than they won in Beijing.
A dramatic closing ceremony tonight will end what has undoubtedly been one of the most successful Paralympics ever.
Top acts including Coldplay are set to play at the sell-out event, which is expected to be watched by tens of millions around the world.
British stars of the Olympics and Paralympics will celebrate their achievements during a victory parade through the centre of London on Monday.