United Kingdom, May 26 -- Billy Idol is surprised by his own longevity in the music business.

The 70-year-old rock singer began his music career in the 1970s, and Billy initially worried that "it may only last about six months" - but he's managed to exceed all of his own expectations.

Speaking on stage after winning a Lifetime Achievement Award at the American Music Awards in Las Vegas, Billy shared: "Thank you to the American Music Awards for this honour. And most importantly, thank you to all the fans. I've been able to live my dream and it's really all because of you.

"When I started out in punk rock, back in 1976, we thought it may only last about six months, let alone 50 years. But we were doing it for the love and because music w...