Let's make this birthday one to remember.

42 years old (Born on January 09, 1982)

English princess; She is famous from Wife of Prince William.

Is descended from a family of solicitors and landed gentry on her father's side and butchers, plasterers, road sweepers and domestic servants on her mother's.

(dailymail.co.uk) Is an official ambassador for Team GB and Paralympic GB.

(dailymail.co.uk) She is patron of Action on Addiction and the National Portrait Gallery, and royal patron of East Anglia's Children's Hospices and The Art Room. She is also a volunteer with the Scout Association and in the future will join activities privately with groups in north Wales and other areas.
(dailymail.co.uk) She crewed on Round the World Challenge boats in the Solent while taking a break from studies.

(dailymail.co.uk) With her husband, William, she will travel to Malaysia, Singapore, Solomon Islands and Tuvalu to mark the Queen's Diamond Jubilee this year.

(dailymail.co.uk)

When in the capital, she sometimes uses the London bike hire scheme - and London Mayor Boris Johnson gave Kate and William a tandem Boris bike as a wedding present.
(dailymail.co.uk)

Is a distant cousin of Prince William Windsor and Prince Harry Windsor - She is their fifteenth cousin.

Engaged to Prince William Windsor during a private holiday in Kenya in October 2010. News of the engagement was announced publicly on 16 November 2010.

The see-through dress which sparked William's interest in Kate when she wore it at a university fashion show in 2002 was auctioned in 2011 for u00a378,000.

(dailymail.co.uk)

Although she could have a private chef at her disposal, she prefers to do the majority of the cooking for herself and William, and is often spotted shopping at Waitrose on Anglesely and, when she is at Kensington Palace, at the Waitrose on Kensington High Street. (dailymail.co.uk)

During her tour of California and Canada during the summer of 2011, she wore more than 25 outfits, winning her accolades from the world's fashion press.

(dailymail.co.uk)

Was christened at the parish church St. Andrew's Bradfield, Berkshire, on 20 June 1982 - the day before the birth of her feature husband, Prince William Windsor.

Kate is not allergic to horses, as has been widely reported.

(dailymail.co.uk)

When an undergraduate, she continued playing sports and turned out for the university's hockey team.

(dailymail.co.uk)

Hobbies she enjoys include walking, tennis, swimming, sailing, and painting.

(dailymail.co.uk)

Longtime girlfriend of Prince William Windsor.

Graduated from St. Andrews University with a B.A. in art history (2005).

At age eight, she became a brownie with the 1st St Andrews pack in Pangbourne, Berkshire.
(dailymail.co.uk)

Worked in London as a part-time buyer for the clothing company Jigsaw Junior. When she left without finding a new job, she earned the nickname 'Waity Katie' - despite the fact she was known to help her parents with their party supplies business.

(dailymail.co.uk)

Is a keen photographer and took pictures for her parents' mail order business Party Pieces. (dailymail.co.uk)