Is Pippa Middleton engaged to boyfriend Nico Jackson?

London: Socialite Pippa Middleton, sister of Duchess of Cambridge Kate Middleton, is reportedly engaged to her stockbroker boyfriend Nico Jackson.The couple has only been dating for six months. According to a source, Pippa and Nico were delaying the engagement announcement because "they didn't want to take the shine off Kate Middleton and her baby", reports people.com.[caption id="attachment_1082577" align="alignleft" width="380"] Reuters[/caption]If the grapevine is to be believed, Pippa will walk down the aisle next spring. She is "designing a ring" and also busy preparing for her D-day.There is also buzz that the springtime nuptials are likely to take place at her parents' Bucklebury home, while the ceremony will be held at the church nearby the estate.IANS