The secret dinner sparked rumors of a new romance.

Paul collected Sabrina from her plush Notting Hill Gate home and greeted her
with a lingering embrace.
However, their dinner plans were ruined after a photographer saw them,
forcing them to abandon their romantic plans.

Paul's friends say Sabrina, 52, has been comforting him during his difficult
marriage split from Heather Mills.

A source told Britain's The Sun newspaper: "It has been difficult, but Paul'
s dealt with his divorce with great dignity. His friends are desperate for
him to go out and start living again. People like Sabrina are making this
possible."

Paul revealed he enjoys a close relationship with Sabrina and says they have
a lot in common.

He told Britain's Daily Mirror newspaper: "I've known this lady for a while.
We enjoy each other's company and when we get together we talk about stuff
like the environment and Al Gore - things like that. We have similar views.
"I have had a terrible day at the office and as you probably know I'm going
through a pretty difficult divorce right now too. I just fancied going out
for a few drinks to relax."
McCartney has denied claims he is romantically linked to the Guinness drinks empire heiress since splitting from HEATHER MILLS last year (06).

He says, "It's nothing more than friendship. I realize everyone wants to see me with a new bird right now, and that's really flattering. "I have had a terrible day at the office and as you probably know, I'm going through a pretty difficult divorce right now too.

A spokesperson for the star also denied the allegations of a romance, saying, "There is no relationship (between the pair) beyond friendship."