Kate Middleton's sister Pippa and Chelsey Davy among guests at fairytale aristocratic wedding in Harry Potter castle

Glamourous: Kate Middleton's sister Pippa, left, and Prince Harry's girlfriend Chelsey Davy, right, were among the guests at the wedding of Lady Katie PercyKate Middleton's sister Pippa and Chelsey Davy were among the guests at a fairytale aristocratic wedding in the castle used in the Harry Potter films.Lady Katie Percy, daughter of the Duke of Northumberland, married City financier Patrick