Younger sister to marry billionaire heir, James Rothschild, today

Paris Hilton's younger sister, Nicky Hilton,31, is set to wed James Rothschild, 30 today, 10th July, 2015.

The wedding will take place at Kensington Palace, UK where the bride, Nicky will say her vows in a couture Valentino gown worth about £50k.

James and Nicky got engaged last year after proposed with a stunning eight-carat diamond engagement ring, estimated to be worth a cool £1 million.

Congrats to the couple on their nuptials.

See pictures from Nicky's hen night below.