The influencer, 43, devastated her 1.7 million Instagram followers when she revealed John had died at the age of 64 following his lengthy battle with cancer.
The Spencer sisters - who are the daughters of Charles Spencer, ninth Earl Spencer and Victoria Aitken - donned glamorous gowns and statement jewellery pieces at the 68th annual event.
Gail's, the posh bakery that's become a ubiquitous marker of gentrification across the UK, has endured criticism for food wastage, £4 lattes, and killing off local businesses.
Smash-and-grab raids, such as the one in Richmond just last month, have increased from two per month in 2025 to two per week in 2026. Half of all raids take place in London.