Princess of Wales announced she had finished chemotherapy treatment and that she was "looking forward to being back at work"—and it seems that time has come even sooner than fans expected. The 42-year-old royal—who serves as joint patron of the Royal Foundation alongside husband Prince William—attended a meeting for the Royal Foundation Centre for Early Childhood at Windsor Castle on Sept.

It is only the third time she has been mentioned in the official record of royal engagements since her health scare began at the start of the year.

Princess Kate Middleton has officially returned to work for the first time since she revealed she ended her cancer treatment. Kate, 42, met with her Centre for Early Childhood team members and the Kensington Palace staff at Windsor Castle on Tuesday,