Despite the range of opinions, many viewers highlighted how poised and confident the princess appeared as she resumed public duties.
For the Commonwealth service, Catherine wore a sophisticated coat dress designed by London fashion house Catherine Walker. The design featured large front buttons and a flowing pleated skirt. She paired the outfit with navy stilettos and pearl jewelry believed to have once belonged to Queen Elizabeth II.
Prince William accompanied her to the service, marking another visible step in her gradual return to royal engagements.
A Major Gathering for Commonwealth Day
The Commonwealth Day service brought together numerous members of the royal family and prominent public figures.
Those in attendance included the Prince and Princess of Wales, Princess Anne and her husband Sir Timothy Laurence, the Duke and Duchess of Gloucester, and King Charles III with Queen Camilla.
Queen Camilla wore a bright red dress designed by Fiona Clare, paired with a matching hat, while King Charles appeared in a blue pinstriped suit.