Great Britain's Laura Trott has won her second gold of the London 2012 Olympic Games with victory in the women's omnium.
The velodrome was the day's hot ticket, with everyone from London 2012 chief Sebastian Coe and Prince Harry to NBA basketball star Kobe Bryant in attendance, anticipating success for Sir Chris Hoy and Victoria Pendleton on their final Olympic appearances but first it was Trott's turn.
The 20-year-old from Cheshunt won team pursuit gold on Saturday but has now won an individual title to join an elite club of British females to have won double gold at a single Games, including Dame Kelly Holmes and swimmer Rebecca Adlington.
Trott won Track Cycling World Championships gold in each event and now has double Olympic gold too.
Sarah Hammer of the United States was second, with Annette Edmondson of Australia third.
Trott was two points behind Hammer entering the final discipline, the 500metres time-trial, but claimed her third win from six disciplines to overhaul the deficit and win by a point.
She clocked 35.110 seconds, with Hammer finishing fourth in 35.900 as a jubilant Trott triumphed on 18 points, with Hammer finishing with 19.
The effervescent Trott celebrated with family and team pursuit colleague Dani King before riding a lap of honour draped in the Union Flag as the capacity crowd chanted her name.
Edmondson finished second in the 500m time-trial to secure bronze, with Canada's Tara Whitten fourth.