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.

The Duchess of Edinburgh has a big birthday on Monday. It is best not to mention the number too loudly. “I’m 21!” she protests, laughing, before being reminded that it is he

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.

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

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.

Sophie, the Duchess of Edinburgh is marking a milestone birthday! She turned 60 on Monday, 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.