Earlier this month, it was also claimed in Tom Bower's book that David, 50, and Harry, 40, had fallen out. Allegedly this was over Meghan Markle's "exclusion order" at the Invictus Games.
Princess Kate has subtly made her position clear and celebrated the designer by donning an olive powerhouse suit. The £1,340 suit features a front button fastening and welt pockets. Her tailored trousers featured a subtle pleat and sculpted her slender frame.
The Duchess of Edinburgh also recently wore a blue suit by Victoria Beckham, 50, during a visit to Brussels several weeks ago.She chose a pastel blue suit, a trendy option for spring.
Back in 2009, David and Kate's husband, Prince William, struck up a sweet friendship that has continued to blossom. With the Prince and Princess of Wales inviting the Beckhams to their wedding two years later.
Their long-standing friendship has endured, with reports suggesting that they have met privately on numerous occasions.
They are known to have a close relationship, and Beckham has been seen attending events with the royals, including weddings and charity fundraisers. The duo even joined forces to celebrate the purchase of two new helicopters for the London Air Ambulance in October.
Earlier today the 43-year-old presented the Queen Elizabeth II Award for British Design at an event hosted by the British Fashion Council (BFC). The recipient, Patrick McDowell, is the founder and the creative director of his namesake label.
The event, at London's 180 Studios near the Strand, celebrates the impact of young British creatives and the UK's thriving fashion industry.