Meet Pippa Middleton, Kate's sister

- Pippa Middleton, sister of the fiancee of Britain's Prince William, Kate Middleton, attends the wedding of Katie Percy and Patrick Valentine at Alnwick Castle in Alnwick, north east England February 26, 2011. (REUTERS/Toby Melville)

- Pippa Middleton arrives for the wedding of the Duke and Duchess of Northumberland's daughter Katie Percy to City financier Patrick Valentine at St Michael's church in Alnwick, northern England February 26, 2011. (REUTERS/Nigel Roddis)

- Pippa Middleton arrives at the Reuben Foundation Haiti Fundraiser, held at Altitude 360, London, England, May, 27, 2010. (Will Alexander/WENN.COM)

- Pippa Middleton arrives at the Reuben Foundation Haiti Fundraiser, held at Altitude 360, London, England, May, 27, 2010. (Will Alexander/WENN.COM)

- Kate Middleton and her sister Pippa Middleton leaving a book launch for 'The Young Starlin' by Simon Sebag Monteflore at Aspreys London, England, May 14, 2007. (WENN.COM)

- Pippa Middleton at Day-Glo Midnight Roller Disco held at Renaissance Rooms, London, England, September 17, 2008. (WENN.COM)

- Pippa Middleton leaves Public Nightclub, London, England, Feb. 18, 2011. (WENN.COM)

- Pippa Middleton sister of Kate Middleton outside of Mahiki Club London, England. July 12, 2007. (Z. Tomaszewski/WENN.COM)

- Kate Middleton leaving Tom Aikens Restaurant in Chelsea with her sister Pippa, after dining with her family to celebrate her 26th birthday London, England, Jan. 9, 2008. (WENN.COM)

- Pippa Middleton arriving at Blue Bird restaurant on the Kings Road London, England November 29, 2007. (WENN.COM)
Kate stickhandles
The romantic Cinderella-like marriage of Kate Middleton to Prince William, Duke of Cambridge, swept the world away on a sea of romance and cemented Middleton firmly in her official role as a newly minted Duchess and also in an unofficial role of global trendsetter. See Gallery
Dress like the Duchess
What have Prince William and Duchess Catherine been up to since they said "I do"? See Gallery
The royal couple's first year
The royal couple will mark the first anniversary of their marriage on April 29, 2012. See Gallery
Royal couple supports the British Legion
Duchess Catherine's style has certainly evolved with her social ascent. Check out her past looks and present sophisticated style. See Gallery



