Gold medallist Sophie Christiansen was given the honour of lighting up the streets of the town centre – but not before she'd danced along to the Korean musical phenomenon.
Despite the wet weather, which led to the firework display planned for the event being cancelled, Sophie, who lives in Maidenhead, enjoyed being part of the event.
"It was good fun," she said.
The countdown to the lights began at 5pm and fairground rides were up and running in St Ives Road.
Inside the Nicholsons Centre craft sessions were run by The Craft Coop in the former Waterstones unit.
"Despite the weather we had a great turn out," town centre manager Steph James said.
"We're really pleased people came out to support Sophie."
See more pictures from the event in our photo gallery below.
Read a full report in Thursday's Advertiser.
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The Met Office has issued a yellow alert for Windsor and Maidenhead, Slough and Wokingham, warning that rain moving eastwards across the south of the country may turn to snow in some places.