Catherine Elizabeth "Kate" Middleton (born 9 January 1982) is the girlfriend of Prince William of Wales. Since their relationship first began, Middleton has received widespread media attention and there has been constant speculation that they will eventually marry.

Middleton grew up in Berkshire, and after attending Marlborough College went to the University of St Andrews. She met Prince William, also studying there, in 2001. They soon started a relationship, media attention quickly followed, and in 2005 her lawyer complained of harassment. In April 2007, it emerged in the press that William and Middleton had split up. They continued to be friends, and later in 2007 the pair reunited. Since then, Middleton has attended many high-profile royal events. She has been admired for her fashion sense, and has been placed on numerous best dressed lists.