Gavin and Stacey's James Corden and Ruth Jones break down in tears as they detail the moment they decided to pen a follow-up to THAT cliffhanger - as fans prepare to bid farewell to the iconic show with a festive swan song

17 years after the first episode of the beloved comedy hit screens, millions are set to tune in for a 90-minute finale, in the hope of finally getting an answer to Nessa's proposal.