London: After Kate Middleton, it is time for her sister, Pippa Middleton to rule hearts. Pippa who was the maid of honour at the royal wedding has Facebook fan pages devoted to her derriere.

Just hours after she followed Kate, who married Prince William at Westminster Abbey on Friday, Pippa's derriere was the subject of online discussion.

A report says that there are three Facebook pages praising the 27-year-old maid of honour's behind.

One of the pages - the Pippa Middleton Ass Appreciation Society - has already got nearly 9,000 fans., a US style blog, has published an article called - In Praise of Pippa, especially her bum.