Learn to sit like the Duchess of Cambridge with the "Duchess Slant"

The Little-Known Reason Why Kate Middleton Looks So Perfect When She Steps Off a Plane

Royal Etiquette 101: Learn How to Sit Like the Queen

Royal Etiquette 101: Learn How to Sit Like a Royal!

Royal Etiquette 101: Learn How to Carry a Clutch and Stand Like Kate Middleton

Royal Etiquette 101: Learn How to Sit Like a Future King with the ‘Royal Sitting Pose'

William, Kate, Charles and Camilla arrive at Duke of Edinburgh thanksgiving service

Royal Etiquette 101: Learn How to Sit Like Meghan Markle

Watch Kate Middleton Cleverly Let Husband Prince William Take the Lead During a Royal Outing

Duke and Duchess of Cambridge visit XLP

How to correctly eat a scone

Duke and Duchess of Cambridge tour the Caribbean

Kate Middleton Paired a Classic Camel Coat With Muted Navy Blue Separates

Camilla, Kate, Charlotte, George and Louis arrive for Trooping the Colour

Queen Camilla Was Reportedly "Behind" Prince William and Kate Middleton's 2007 Breakup

Royal Family arrive for Easter Sunday service without Queen

Kate Middleton's Passion for Photography

Kate shows off baby bump on visit to Oxford school

How the Parenting Style for the Royals Has Changed Over Time

Duke and Duchess of Cambridge meet Chancellor Merkel

Royal Family arrive for Prince Philip service

Meghan Markle introduces kids to 'Grandma Diana'

Royal Family depart Easter Sunday service

Royals stand in for the Queen at Commonwealth Day service

First look at the Duchess of Cambridge's CBeebies bedtime story

Prince William and Duchess Catherine 'overjoyed' by Pippa Middleton baby