Danny Miller has shared a sweet video showing the moment he proposed to his pregnant girlfriend Steph Jones during a romantic trip to St Lucia.The 30 year old, whose co-star Isobel Steele recently gushed over his baby news, took to his Instagram feed to post the beautiful clip for his 433,000 followers to see.The clip starts with Danny wearing a black T-shirt with matching trousers as someone in the background counts down: "Four, three, two, one..." Unaware Steph then stops looking at her phone