Nick has battled with some difficult issues over the last few years and turned to counselling to help him get through it.
He teamed up with Princes Harry and William and Kate Middleton as part of a two-part documentary, Mind Over Marathon.
Nick was married in the '90s and after he and his wife, with whom he had three children, separated, he met fellow TV presenter Suzi Perry and they lived together for three years.
He then met Jessica Rose Moor in 2009, they were married in 2012 and their son Eddie was born in 2014.
Here's the lowdown on the home-building star...
He was born Nicholas Knowles in Southall, Middlesex on September 21, 1962, to parents Pat and Eddie.
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