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Down to earth yet bubbly, Davina McCall is the perfect host for this series, which sees people pledge to transform their lives in 12 months.

Tonight we meet Robin Dixon, who wants to shed 10 stone; local radio host Chris Duke, from Glasgow, who would love to fulfil his childhood dream of becoming a wrestler; and mum-of-two Linda Sampaio, who longs to find love again after 27 years alone.

Meanwhile, married couple Becci and Amy Stone hope to start a family, and double amputee Alan Rayment wants to learn to walk again with prosthetic legs.