Philippa Charlotte Matthews, Mrs Matthews of Glen Affric the Younger (née Middleton) (born 6 September 1983) is a British socialite, author and columnist. She is the younger sister of Catherine, Princess of Wales. Born and raised in Bucklebury, Berkshire, Middleton attended Marlborough College before graduating with a degree in English literature from the University of Edinburgh. She subsequently worked in public relations and event management firms, later joining her parents' party supply company. Middleton garnered media attention during her sister's relationship with Prince William, particularly for her appearance at their wedding. She has written two books (Celebrate: A Year of Festivities for Families and Friends; and Heartfelt: Over 100 Quick and Easy Recipes for a Healthy Heart) and contributed columns to both Vanity Fair and The Sunday Telegraph. In 2017, Middleton married James Matthews, a hedge fund manager and heir apparent to the lairdship of Glen Affric. The couple has three children.