The Duchess of Edinburgh was all smiles yesterday as she  carried out a royal engagement in Kent but royal fans were left unimpressed with one key detail regarding her outfit.

Duchess Sophie the Domaine Evremond winery at Chalk Hill in Chilham.

The vineyard was founded in 2015 and launched in 2017 and claims it can make “high-quality premium sparkling wine”.

But apart from the prestigious vino, royal fans were eager to comment on the royal’s outfit.

Sophie sported a heritage grey suit by Vince…