Viva La Vida Coldplay
It's the Thames Festival this weekend - with thousands of people expected to attand.
Southwark Bridge will be closed and turned into an open-air restaurant and there will be a fireworks display to end the festivities tomorrow night.
Activities along the river bank between Westminster Bridge and Tower Bridge - include markets - a mobile cinema and a night-time carnival.
London's Mayor Boris Johnson has told London's Heart next year's event will form the final celebrations for the Olympic games.