A night-time procession and fireworks display will close the final day of the River Thames Festival.
This years is the 10th anniversary of the festival
Up to one million people are expected to have gathered for the event along the South bank over the weekend. The festival is in its 10th year.
The free festival, which aims to build greater appreciation of the River Thames, includes open air arts, pyrotechnics, street theatre and music.
It takes place between Westminster and Tower Bridge.
Mayor of London Ken Livingstone said: "The Thames Festival has grown to become a landmark event in London's cultural calendar.
"It will be a wonderfully diverse weekend of events for everyone to enjoy."