The princesses sported all black for the launch of Mr Porter Steakhouse, a new eatery by men's luxury fashion retailer, Mr Porter, situated on London's affluent Park Lane.
Fergie joined ex Andrew and daughters Eugenie, 35, and Beatrice, 36, for the Easter Matins service in Berkshire on Sunday - and was spotted offering a warm hug to the Duchess of Edinburgh.
Princesses Beatrice and Eugenie showed they're among the most stylish members of the royal family with their choices of headwear at St George's Chapel on Easter Sunday.
It was reported in March that Montecito-based Prince Harry has distanced himself from his close cousin and 'ally' Princess Eugenie after their relationship 'soured'.
Edoardo Mapelli Mozzi shared a sweet snap of his wife Princess Beatrice to his Instagram on Monday as the couple enjoyed the FI Grand Prix in Bahrain alongside Beatrice's sister Princess Eugenie.
When it comes to royal weddings, every detail, from the dress, the decorations, the service, the guest list, and the menu, is meticulously planned to ensure it goes off without a hitch.
Princess Eugenie appeared on stage in Tokyo to hand out awards to successful entrepreneurs who had obtained investment from firm linked to the Duke of York.