While the change in Letizia's hair is small, her new look stays true to her renowned elegant and sophisticated style.
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The 42-year-old mother-of-two showed off her new look at a Meeting with the Board of the Prince of Girona Foundation at the Royal Palace in Madrid.
Wearing a monochrome printed dress and a smart black blazer, Letizia looked the picture of elegance as she joined her husband of ten years to receive their guests.
Letizia's change in appearance comes as a significant year in her life ends.
In June Spain's leader of 39 years King Juan Carlos, announced his abdication in favour of Felipe.
Felipe, Letizia and their two daughters Princess Leonor and Princess Sofia took part in a magnificent inauguration ceremony on 14 June 2014, which saw scores of Spaniards take to the streets of Madrid to celebrate their new monarch.