Celebrity News:

In the middle of a divorce with Heather Mills, Beatles legend Paul McCartney is taking up with another woman who looks just like her -- Rosanna Arquette. Alexis might be more fun!

According to News of the World, the pair shared a romantic stroll through London and even shared a tender kiss goodbye. A witness told the paper, "It was all cloak-and-dagger stuff, but Paul couldn't resist a quick cuddle. Rosanna was beaming after that."

The paper also says the pair met up last Sunday night -- despite the fact that Paul has been linked with multi-millionairess Nancy Shevell. Let's see what Barbara Walters has to say about this one!