Sophie, the Duchess of Edinburgh may be a mentor to Kate Middleton in royal duties, but the duchess just took a style cue from the princess by wearing one of Middleton's go-to winter outfit formulas.

The Duchess of Edinburgh displayed a touching gesture "you wouldn't have seen a few years ago" with the Princess Wales on Remembrance Sunday, a royal author has claimed. Sophie was seen placing a reassuring hand on Kate's shoulder as they departed from the balcony of the Foreign,

The “sisterly bond” between Kate Middleton and Sophie, Duchess of Edinburgh was on full display for Remembrance Sunday on Nov. 10, and royal biographer Ingrid Seward said Kate considers Sophie the older sister she never had.

Duchess Sophie, 59, was seen wearing the 'Kristen' khaki crepe coat dress from Claire Mischevani. The designer number featured a high bow-adorned neckline, as well as a cinched waistline with pockets attached to the hips.