The Princess of Wales is celebrating her 42nd birthday today (Tuesday, 9 January), surrounded by her loved ones including her three children - Prince George, Princess Charlotte and Prince Louis.
Over the years, Prince William has given her many special gifts, but there's one birthday she might want to forget. When Kate turned 27, she had to say a tearful goodbye to her future husband after he made a decision that left her "crushed".
In September 2008, rumours were swirling that William was ready to propose, but instead, it was announced that he was joining the RAF Search and Rescue Force.This news was said to have come as a surprise to his family and Kate.
After finishing assignments with each section of the Armed Forces, William had two options - return to the Household Cavalry or leave the forces and start his Royal duties.
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