Sophie, Duchess of Edinburgh turns the milestone age of 60 on Jan. 20. Here, fashion insiders, including designers of some of the royal's favorite brands, reveal the secrets of her style evolution.

In a series of candid photographs by Christina Ebenezer, the Duchess of Edinburgh chose a wardrobe of re-wears that hint at her new era of royal life

Sophie, the Duchess of Edinburgh is starring in a new portrait for her 60th birthday, and the photographer behind the camera is sharing an unseen snap from the photo session.

Ahead of her milestone birthday, we consider the Duchess’ quiet transformation into one of the world’s most fashionable royals

The Duchess of Edinburgh is marking her 60th birthday privately at home with the Duke of Edinburgh, and a new photograph has been released to mark the milestone

Sophie, the Duchess of Edinburgh is marking a milestone birthday! She turned 60 on Jan. 20, and friends and former colleagues have been honoring her contribution to the royal family – amid the release of the duchess' stunning new portrait.

A new photograph of the Duchess of Edinburgh looking happy and relaxed has been released to celebrate her 60th birthday. The duchess is set to celebrate the milestone at home with the Duke of Edinburgh on Monday at her Bagshot Park home.