The Duchess of Cambridge looked flawless as she stepped out with Prince William to attend the Commonwealth Day service on Monday and royal fans could not get enough of her elegant tribute to Ukraine.
RELATED: Royals reunite for Commonwealth Day service as the Queen stays at home – best photos
Kate was dressed in blue from head to toe, wearing a sophisticated coat dress with a matching hat and stylish pointed blue heels which were detailed with a delicate gold sole.
WATCH: Royal family attend Commonwealth Day service without the Queen
Her look was completed with a stunning sapphire necklace and matching earrings. At the service, the Duchess also carried a small bouquet of blue and yellow flowers.
MORE: Kate Middleton shares touching moment with Duchess Camilla following future Queen announcement
READ: Prince William and Kate break silence after missing BAFTAs
On social media, fans couldn't wait to weigh in on the stunning look and flooded the comments with messages of admiration and appreciation for the heartfelt tribute on the Duke and Duchess' official Instagram.
Kate looking stunning in saphire at the Commonwealth Day service
One royal fan wrote: "Rocking Ukrainian colours", another fan commented: "Not only is Kate beautiful but she is classic, giving homage to the people of Ukraine in her attire and bouquet."
More fans commented, with one writing: "Love the blue, so vibrant. So reminiscent of the Ukraine flag." Another added: "Wonderful colour combination! Pacific blue for peace amongst the Commonwealth with yellow flowers added as support for those suffering in Ukraine."
The Duke and Duchess of Cambridge shared the day with their Instragram followers
Countless blue hearts and Ukrainian flag emojis were left by followers to further show support for Kate's sartorial tribute.
Amongst the photos shared by the royals on social media was one showing the Duchess chatting to some school children, one of whom presented a yellow and blue bouquet to Kate.
The Duke and Duchess of Cambridge sat in between the Duchess of Cornwall and Princess Alexandra
The caption read: "Fantastic to come together to celebrate #CommonwealthDay and modern, vibrant and diverse communities across the globe at Westminster Abbey today."
Monday's service was the first Commonwealth Day celebrated in person since 2020. Kate and William were joined by the Duchess of Cornwall and Prince Charles, who stepped in for the Queen.
Make sure you never miss a ROYAL story! Sign up to our newsletter to get all of our celebrity and royal news delivered directly to your inbox.