Kate Middleton's sister, Pippa Middleton, has become a contributing editor for Vanity Fair. E! reported that Pippa will write a series of columns for the famous magazine. Her first article was a personal guide to Wimbledon where she shared her favorites moments in tennis and writes about early dreams she had of playing at Wimbledon.

"I first went to Wimbledon when I was eight years old and already a very keen tennis player," Pippa writes. "During this first trip I acted on my childish tennis dreams and bought myself a postcard of the women's championship trophy, on which I wrote, 'I will win this one day,' with my signature below."

Kate's younger sister, has recently penned the book Celebrate: A Year of Festivities for Family and Friends. She writes advice for attending the popular tournament. "Queuing from five a.m. on 'People's Sunday' in 2004 with my sister for three hours and getting £35 tickets on Centre Court; my first time ever," she wrote in Vanity Fair. "Seats were a free-for-all-and I recall almost tripping over myself trying to get as close as possible to my birthday-twin British hero Tim Henman."

Pippa is also reportedly planning her sister's baby shower.After months of secrecy around their baby's due date, it is now out in the press that Kate Middleton and Prince William's baby has a due date of July 13.

The Daily Mail reported that when Kate was rushed to King Edward VII hospital with morning sickness in December, the palace was forced to announce she was expecting. The Daily Mail reported that a friend of Kate and William's said, "'Some of Kate and William's closest pals were at a barbecue hosted by a family friend of the Royals recently. 

They were all discussing the fact that Kate's baby is due to be born on July 13. Everyone was very excited."

If the due date is true, the baby will be born during the four day Coronation Festival which is July 11-14 that marks when Queen Elizabeth II was crowned in 1953.

The Daily Mail reported that the bay is expected to be delivered at St Mary's hospital in Paddington in the private Lindo Wing. She will be under supervision of Royal gynocologist's Alan Farthing and Marcus Setchell.

The baby's sex is still unclear but there have been rumors that it is a boy.