Pippa Middleton Dating A Married Man Pippa Middleton back into the spotlight. This time, the sister-in-law Prince William is reportedly dating a married man!. Since her name stuck out on a procession of royal wedding between William and Kate Middleton, a beautiful love story-bodied girl is always in the spotlight of media and the public worldwide. Not long single status, Pippa re-reportedly close to a man, which unfortunately is still a woman’s husband. Pippa proximity with Ben Goldsmith, a businessman, started since the two met at a party on October 13 last. At that time, Pippa also was dating Alex Loudon.