Grace, congeniality, propriety.

These attributes have been synonymous with Princess Catherine since she stepped into the British royal clan back in 2011.

With each passing year, the princess' import and popularity has only grown within and without the monarchy.

Princess Catherine smiling at Wimbledon

In form and facade, Catherine can very well be defined as the ideal royal.

But she’s still only human.

At events large or intimate, the trio has been known to command her attention.

Princess Catherine and family at coronation

Body language experts picked up on moments where Catherine apparently tried to “freeze out” Meghan.

The characteristically confident Meghan didn’t seem to be in top form while meeting mourners at Windsor Castle.

If expert observers are to be believed, the Princess of Wales is no stranger to throwing intense glares.

Meghan, Camilla, George, Catherine, and Charlotte

Clearly, royals have bad days, too.

According to pro royal commentator Judi James, Catherine’s mirroring likely comes from spousal sentiment.

After all, the princess is the honorary leader of the Wales pack.

Princess Catherine and Prince William laughing

Beyond motherhood, Catherine also mirrors Diana’s iconic style and massive popularity.

Catherine, however, was mindful of maintaining a respectful bearing.

And it seems Prince William has total faith in his wife’s forward-looking power.

Kate Middleton playing noughts and crosses

We love a confident princess.

There were loving smiles and touches galore.

Dedication to her public duties has hardly diminished the attention she pays her children.

Princess Catherine and Queen Elizabeth laughing

She made for a stately image in a tailored dress and newfound confidence since becoming Princess of Wales.

She presented a demeanor fitting for a colonel.

There’s no mistaking what this gesture means.

Princess Catherine listening

Butt pats, in particular.

(Get it?)

More on-brand for the decorous princess are subliminal signals of love that she is often caught flashing her husband.

The Waleses at Trooping the Colour

Princess Catherine checks both boxes.

… you have to recognize this is kind of what she’s been primed for."

To her credit, Catherine can pull off the other end of the sentiment spectrum equally skilfully.

Prince William and Princess Catherine walking

But there was once a time when the sisters-in-law were the very image of camaraderie.

“Both women have their hearts forward and torsos slightly turned toward each other,” Wood added.

“She’s hiding her face and closing off her body,” Susan Constantine told GH.

Princess Catherine and Prince William hugging

Princess Catherine talking to Princess Charlotte

Catherine, William, Harry, and Meghan

Meghan Markle and Princess Catherine