What do Britains Pippa Middleton and the US Kardashian family have in common? They are all among the 10 most fascinating people of 2011, according to veteran US journalist Barbara Walters. Middleton, 28, younger sister of Prince Williams new wife Kate, was named on Wednesday along with British reality TV guru Simon Cowell, singer Katy Perry and businessman Donald Trump as making the list in Walters annual ABC TV special. Walters will announce the number one most fascinating person of 2011 when the 90-minute show Barbara Walters Presents the 10 Most Fascinating People of 2011 airs on December 14. Reuters