United Kingdom, Aug. 16 -- Catherine Zeta-Jones and Michael Douglas "are very similar".

The Hollywood couple will celebrate their 25th wedding anniversary later this year and Catherine believes that their like-minded attitudes have enabled their marriage to stay strong.

The 55-year-old actress told The Sunday Times: "Two celebrities together make ten. It's just the way it is. There's two versions of the story and there's two make-believes. We don't listen to the crap that is written about us, that's the main thing.

"And we respect our space, we're independent spirits. We are very similar; we were born on the same day, 25 years apart. We're not afraid to be verbal, to express ourselves. I wear everything on my sleeve and so does he, whi...