Olympic legend Dame Kelly Holmes talks to Vinny Hurrell about some incredibly difficult decisions in her early life. Kelly had dedicated many years to the army and athletics but found herself at a point where she had to decide between the two. With a deep passion and love for both what would be the deciding factor? Dame Kelly also talks openly about battling injury, missing out on medals and how her early life shaped the adult she would become. What advice will she give to herself in her mid-twenties now? Details of organisations offering information and support with mental health are available at bbc.co.uk/actionline, or you can call for free, at any time to hear recorded information on 08000 155 998.

Westlife singer Mark takes us back to his twenties and a major turning point in his life. After years of struggling to simply be himself he came out to his family and friends, and then when he was 25 - to the world. Mark talks to Vinny Hurrell about the huge pressure he felt, the anticipation and what happened next. Life would change forever. What advice would he give his younger self now? For details of organisations which offer advice and support with issues relating to sexuality or gender, go online to bbc.co.uk/actionline.

Vinny Hurrell gives us a quick insight into the upcoming series where he takes his guests back to their 20’s. What advice would they give their younger selves? Launches May 24th.