Meghan looked stunning in a scarlet red Safiyaa cape dress, which she accessorised with Aquazzura heels, and a red satin Manolo Blahnik clutch. She finished the look with floral beaded drop earrings by Simone Rocha.
The annual musical festival is the couple's penultimate engagement as senior working royals.
The Mountbatten Festival of Music featured performances by the Royal Marines Band Service and raised funds for the Royal Marines Charity.
