From that time Beatrice and Eugenie met Leonardo DiCaprio to the Duke and Duchess of Cambridge's debut BAFTAs, every time the royal family has graced the red carpet.
The five-day-old royal baby has already bumped older family members down a few spots in the competitive line of succession.
Prince Harry has decided to return the favour after serving as his brother's best man at the Duke and Duchess of Cambridge's 2011 nuptials.
The Duke of Cambridge teased that the royal baby has a 'strong name', as the world awaits an official announcement.
"Trousers are for older boys and men, whereas shorts on young boys is one of those silent class markers."
While some congratulated Kate Middleton on her camera-ready hair, others believe the seven-hour turnaround sends a dangerous message to expectant mums.
At an event for the Invictus Games, Meghan Markle recycled a $1,995 Alexander McQueen jacket she wore in February for her first public evening appearance with Prince Harry.