The singer died last month aged 33.
Hundreds of fans of The Wanted have lined the streets in an area of south-west London to pay their respects ahead of Tom Parker's funeral.
The singer died last month aged 33, having been diagnosed with an inoperable brain tumour in 2020.
His widow, Kelsey, led a cortege through Petts Wood, with flowers spelling "daddy" on the side of the carriage.