Catherine, Princess of Wales, has returned to work after being out of the spotlight for months while undergoing cancer treatment.

Britain's Princess of Wales has taken a first step towards returning to her work on the early-years development of children, a week after announcing she had completed chemotherapy.The issue of childrens' early development has been described as mother-of-three Catherine's life's work by aides.

Catherine, Princess of Wales, has said she has completed her chemotherapy and is “doing what I can to stay cancer free,” as she plans to return gradually to public life in the coming months.

Princess Catherine has carried out her first engagement since completing chemotherapy.The 42-year-old took time off work after announcing in March that she had been diagnosed with an undisclosed form of cancer.

Catherine attended a meeting at Windsor Castle on Tuesday. An entry in the official Court Circular of engagements read, "The Princess of Wales, Joint Patron, The Royal Foundation of The Prince and Princess of Wales,

In a video message, Catherine said she would return to more of her duties, a positive development, but many questions remain about her condition and treatment.

Kate Middleton, the Princess of Wales, says she has finished her chemotherapy treatment after being diagnosed with cancer earlier this year. In an emotional and beautiful new video, she opens up about her journey with the disease and how it’s affected her family.

Kate, largely out of the public eye since Christmas, said she was “looking forward to being back at work and undertaking a few more public engagements in the coming months when I can.”

Fox News’ Alex Hogan reports on Princess Kate’s return to royal duties after completing cancer treatment.

Princess Kate has been lauded as she builds up to her first public appearance since the end of her chemotherapy treatment. In an emotional video clip released just 10 days ago, the Prince and Princess of Wales confirmed Kate was "looking forward to being back at work and undertaking a few more public engagements in the coming months".