Will NoblePearly Kings And Queens Harvest Festival: Have A Right Old Knees-Up At This Legendary EventDid you know there's a museum dedicated to all things cockney, including plenty of pearly razzle-dazzle? Image: iStock/CasarsaDust off your best button-smothered jacket — the London Pearly Kings and Queens Costermongers Harvest Festival is back. Here, a special harvest festival service takes place from 3pm, in which the pearlies present a large harvest plait of seasoned bread. Pearly kings and queens are renowned for their charitable work, so while the entire event is free, have some cash handy to drop into a pearly cap or two. London Pearly Kings and Queens Costermongers Harvest Festival, starts 1.15pm in Guildhall Yard on Sunday 21 September 2025.