Revellers in the adult parade were partying atop floats followed by feathered, mas bands dancing to the beat.
It is expected that more than two million people will have taken to the streets of Notting Hill by the end of the bank holiday.
Two landmarks were celebrated: the introduction of sound systems and mas bands 50 years ago transformed it into a large-scale event; and the docking of the Empire Windrush 75 years ago heralded mass immigration from the Caribbean.
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