Sienna Blake (Anna Passey) and Darren Osborne (Ashley Taylor Dawson) attend the event with Charlie Dean - but with Sienna's lies soon to be exposed, it could be one of her last happy family moments.
Mischievous Chloe (Susan Loughnane) is also present for the occasion, but how will Darren react when he sees her back in the village after what happened to Tom's fundraiser money?
Below, we present some exclusive behind-the-scenes shots of the cast filming the Christmas lights switch-on.
Hollyoaks airs these scenes tonight (December 3) at 7pm on E4 and tomorrow (December 4) at 6.30pm on Channel 4.
Read more Hollyoaks spoilers and news
Digital Spy Soap Scoop video - press play below to watch Amie Parker-Williams reveal gossip on new Platt family twists in Coronation Street, changes for The Vic in EastEnders, another shock moment of violence in Emmerdale and Sienna's comeuppance in Hollyoaks.