Coronation Street star Bill Roache has revealed that, out of all of on-screen kisses, only one turned to real-life romance

Coronation Street veteran Bill Roache has revealed how an on-screen kiss for Ken Barlow led to real-life off-screen passion for him.

The 79-year-old actor, who recently claimed to have bedded hundreds of women including soap legend Pat Phoenix, told Piers Morgan about the affair.

In an interview with the former newspaper editor on his Life Stories show (on ITV1 tonight), Bill said: "A kiss is a demonstration of affection and it should be sincere and truly meant, but you've got to be careful to keep the lust out of it when you're acting. You can turn lust into love and you can make a kiss truly loving and truly affectionate...a loving and caring kiss without the lust."

More: Bill Roache aka Ken Barlow! Reveals Bedding Up To 1,000 Women

Asked how many kisses in the show led to real passion in the last 50 years, Roache said "one" but refused to reveal more.

MORE: Is It One Of These? HuffPostUK Looks Back At Some Of Ken Barlow's Biggest Loves

His character, a mainstay of the ITV1 soap since its beginning in 1960, has had dozens of relationships in his time on the cobbles including four marriages and Bill said Ken's complicated lovelife had caused him problems in real life.

He said: "Ken was having an affair and I was dropping my daughter off at school and the mother was with her daughter and she pulled her daughter away and said, 'Don't talk to him'. However a few years later that mother came up to me and said, 'At the time my husband was doing the same thing and it was so raw, but I have to say it helped me to get through it and come to terms with it'.

"Because in Coronation Street although a lot of people do naughty things, you always pay the price, that is why it's a very moral show."