United Kingdom, Feb. 18 -- Catherine, Princess of Wales, and her children have drawn pictures of each other.

The 43-year-old royal shared the portraits sketched by herself and Prince George, 11, Princess Charlotte, nine, and six-year-old Prince Louis on the joint Instagram account she shares with husband Prince William in order to promote an initiative from her Royal Foundation Centre for Early Childhood.

The first drawing, by Louis, has been outlined in bright red and features orange curly hair.

Charlotte's artwork highlighted someone with blue, purple and green hair, while the third, by George was a black line drawing that appeared to be of his mother sitting cross-legged in a chair.

Lastly, the final picture by Catherine depicted o...