© @Copyright HELLO! Hello! Magazine Ant McPartlin proposed on Christmas Eve to Anne-Marie Corbett – and now his fiancée has been seen proudly wearing her gorgeous four-carat diamond ring!MORE: Celeb proposals that were surprisingly low-key – just like Prince Harry and Meghan Markle'sThe huge sparkler features a large brilliant-cut diamond in the centre with a halo of diamonds around the edge – and the band appears to be platinum – a classic choice.