Arabella Musgrave at Guards Polo Club, Windsor Great Park in Berkshire, England. (Bauer Griffin)more pics » Arabella Musgrave once dated Prince William (Bauer Griffin) Arabella Musgrave will attend Prince William's royal wedding this week.  Musgrave once dated the prince and is often reported as his 'first love'.

It has been many years since Arabella Musgrave and Prince William were romantically linked.  Since then, they've fostered a friendship.

Kate Middleton and Prince William have both invited former flings, including Rupert Finch,  Jecca Craig, Olivia Hunt and Carly Massy-Birc.

The royal wedding is scheduled for this Friday.

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