Mark McLachlan - aka Marti Pellow - speaks candidly about his time with Wet Wet Wet, his rapid rise to fame and the drug habit that was the downfall of the band and almost cost him his life.

In the 80s and 90s, Marti Pellow owned the cheekiest smile in pop music. Those won over by it might find it hard to believe the former Wet Wet Wet frontman turned 60 this year. But the smile - and the ...