Stars from London 2012 will travel from Mansion House to the Mall later today in a convoy of 21 open top floats.
Hundreds of thousands are expected to turn out to cheer on the Olympic champions. They'll include all our gold medallists. Among them, sailor Ben Ainslie from Lymington; cyclist Dani King from Hamble and horse rider Tina Cook from Worthing.
More top news
Philippa has your Valentine's Day weather for the east
Philippa has your Valentine's Day weather for the west
A wildlife Park in Kent is appealing for the public's help, so they can give a good home to eight chimpanzees.