Here is a look at the life of the Duchess of Cambridge, the former Kate Middleton.
Personal: Birth date: January 9, 1982
Birth place: Reading, Berkshire, England
Birth name: Catherine Elizabeth Middleton Father: Michael Middleton, former airline pilot now mail-order business owner
Mother: Carole (Goldsmith) Middleton, former flight attendant
Marriage: Prince William, The Duke of Cambridge (April 29, 2011 - present)
Education: University of St. Andrews, Fife, Scotland, 2005, MA, Art History
Other Facts: A commoner, she is the eldest of three children of self-made millionaires.
Her engagement ring belonged to Princess Diana.
Timeline: 2001 - Meets Prince William at University of St. Andrews.
2002-2005 - Shares living quarters with William and several other college students.
2003 - Begins dating Prince William around Christmas.
April 1, 2004 - First public sighting of the couple, a ski trip in Switzerland, is reported.
2006-2007 - Works as an accessories buyer for British female fashion chain store Jigsaw.
March 2007 - Ends relationship with Prince William, but within months they are on again.
October 2010 - Becomes engaged to Prince William during a trip to Kenya.
November 16, 2010 - Prince Charles officially announces the engagement to the world.
November 23, 2010 - Wedding date and place is announced, April 29, 2011 at Westminster Abbey.
April 29, 2011 - Marries Prince William, The Duke of Cambridge at Westminster Abbey. Becomes Her Royal Highness the Duchess of Cambridge.
May 2011 - The Duke and Duchess of Cambridge set up housekeeping on a rented farm in Anglesey, Wales.
June 2011 - The Duke and Duchess of Cambridge make an apartment on the grounds of Kensington Palace their London home.
June 30-July 8, 2011 - The couples' first official trip to a foreign country, Canada.
July 8-10, 2011 - The Duke and Duchess of Cambridge are in Los Angeles, California for a three-day visit where they visit Hollywood, Skid Row and veterans. It is the Duchess's first trip to the United States.
July 22, 2011 - Wedding dress is put on display at Buckingham Palace.
January 5, 2012 - Announces the four charities she will support as a patron: the Art Room, which helps disadvantaged children express themselves through art; the National Portrait Gallery, which houses a famous collection of royal paintings and photographs; East Anglia's Children's Hospices, which helps children with life-threatening conditions; and Action on Addiction, which assists those with addiction issues.