Beautiful supermodel Rachel Hunter, Rod Stewart's wife, plans to pose naked, again, for the men's magazine Playboy. Rachel had already posed for them last year and confessed she enjoyed the experience.

Hunter was given US$1.8 million to appear in a topless-only photo spread for Playboy.

Now, Rachel is planing lots of exercises, even surgery if it is the case, because she is decided to appear in the magazine for her 40th and 50th birthdays.

She says, "Being older wouldn't put me off - I'd just have to ask the kids about it". "Never say never. It's not something I would do right now; I've never even had Botox. But, probably in my 50s, I'll get my eyes done."

In 1990, Hunter married rock star Rod Stewart, who is around 25 years older than her. They had two children before they separated in 1999. In June 2005, Rod Stewart filed for divorce.