United Kingdom, July 27 -- Billy Joel was "devastated" by his split from Christie Brinkley.

The 76-year-old musician was married to the model between 1985 and 1994, and he loved the first few years of their romance.

He said in his HBO documentary Billy Joel: And So It Goes: "Here I am dating this beautiful supermodel and ... me? I'm from Hicksville. What am I doing with her? What's she doing with me? But that was a very productive time for me. I wrote a lot of songs for her. She was a muse.

"It was like being a teenager all over again. Experiencing those same emotions that I had when I was first discovering romance and love."

Bill remembers the first few years of their romance being "so much fun".

However, Billy admits that his music...