THIS is the hilarious moment Prince Louis copies his older brother with a dramatic hair flip – as dad Wills tries not to laugh.

The youngster, seven, watched as Prince George pushed back his fringe while they watched the VE Day parade today.

In a playful attempt to copy his sibling, 11, Louis elaborately swept his own hair back.

He then sat and let out an exasperated sigh as if to blow his brown locks off his face.

In the same moment, George gave his little brother a stern stare and looked on at his father.

Prince William meanwhile appeared to be holding in a laugh as he sat alongside his sons.

After the comical display, Louis looked a little distracted and subtly fixed his hair again.

It followed another adorable moment when the Royal Family arrived to take their seats.

Cheeky Louis brushed some rain drops off Wills’ shoulder and pulled at his uniform.

The youngster was also seen showing of some dance moves in his seat.

Prince William turned towards his son and appeared to give him a tap on the leg.

As the parade continued, all three children looked towards their father and smiles as he spoke to them.

Meanwhile Kate, who sat next to Princess Charlotte was seen engrossed in conversation with veteran Bernard Morgan.

A lip reader also shared their expert comment on what the royals said to each other.

Youtube: Thesun