Locals were dazzled by the mesmerising lights switched on in the High Street.
Radio presenter Mark Collins hosted the event which saw festive music and entertainment as the countdown for Christmas begins.
See our gallery from the occasion below.
13. Christmas lights in High Street, Cosham
Christmas lights in High Street, Cosham, were switched on during the evening of Friday, November 22, 2024. Pictured is: Teddy Justice (5) from Paulsgrove, meets Father Christmas. Picture: Sarah Standing (221124-6423) Photo: Sarah Standing
14. Christmas lights in High Street, Cosham
Christmas lights in High Street, Cosham, were switched on during the evening of Friday, November 22, 2024. Pictured is: (l-r) Chris Ballard and Steve Raven from Portsmouth. Picture: Sarah Standing (221124-6419) Photo: Sarah Standing
15. Christmas lights in High Street, Cosham
Christmas lights in High Street, Cosham, were switched on during the evening of Friday, November 22, 2024. Pictured is: Amelia Manalang (6) from Cosham. Picture: Sarah Standing (221124-6414) Photo: Sarah Standing
16. Christmas lights in High Street, Cosham
Christmas lights in High Street, Cosham, were switched on during the evening of Friday, November 22, 2024. Pictured is: (l-r) Sue Greenfield and Terry King from Cosham. Picture: Sarah Standing (221124-6413) Photo: Sarah Standing