Located in Fulham, The Sands End is already a favourite of Prince Harry and Meghan, who enjoyed lunch there in 2016.
STORY: The Queen welcome's Spain's King Felipe and Queen Letizia to the UK Although the meal was private, we did get a behind-the-scenes glimpse at what the royals tucked into for their lunch courtesy of The Royal Family Instagram account.
A series of photos posted on Wednesday showed some of the different courses they were enjoying, starting with a light salad served with king prawns and mozzarella.
But Kate Wright and Rio Ferdinand only added fuel to the fire on Sunday, as they were spotted enjoying an al-fresco lunch together in London.
The former TOWIE star, 25, flashed a beaming smile at the 38-year-old footballer as they indulged in a few drinks and a bite to eat in the sunshine - in their first public sighting since speculation first began.
The Spanish royals tucked into prawn salad during their State Visit The Spanish royals will also have a taste of a classic British sandwich; smoked salmon and cream cheese sandwiches served on seeded bread, all with the crusts carefully removed.