James Martin and his partner, Kim Johnson, made quite the impact at the TV Choice Awards earlier this week, where James picked up the gong for Best Food Show, as the personal trainer stepped out with her TV chef beau while sporting what appeared to be a diamond engagement ring. Posing for photographs in a slinky black dress, Kim, 39, showed off her ring after reports stated that the couple got engaged over Christmas. The couple started dating after the Saturday Morning star split from his girlfriend of 12 years, Louise Davies, in 2023, and it seems Kim’s sparkler is the perfect symbol of her and James’ next chapter together. © PA Images via Getty ImagesJames Martin and Kim Johnson attended the TV Choice Awards on 2 February To get a full lowdown of her ring, we’ve enlisted the help of Jessica Flinn-Allen, a jewellery designer with a degree in metalwork and jewellery and 15-plus years of experience in designing and creating fine jewellery, who has founded Jessica Flinn Fine Jewellery. Keep scrolling for all …