CHEEKY Prince Louis didn't let the rain dampen his spirits at Trooping the Colour today.
The royal, six, watched the Royal Air Force Red Arrows flypast in awe and danced along to the marching band on Buckingham Palace's balcony.
Stood side by side with adoring mum Princess Kate, his mischievous personality shone through as he tried to open a huge window before fiddling with curtain cords.
Accompanied by siblings Prince George and Princess Charlotte, the youngster kept himself occupied while waiting for the excitement to start.
Struggling to stand still and wanting to have a dance, Charlotte playfully told him to "stop", Sun lip reader Gaby Lane said.
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Brave Kate, 42, arrived with her three kids and doting husband Wills after making their way through streets lined with fans.
It comes as...
- Crowds erupted as Princess Kate stepped onto the balcony
- Lip reader reveals what Prince George said to mum Kate
- Cheeky Prince Louis has tried opening a palace window
- Charlotte playfully tells little brother Prince Louis to 'stop'
- King Charles has braved the pouring rain to salute troops
- Kate shares adorable behind-the-scenes footage
When she and her family got to the Palace, Kate could be seen ushering her children inside.
She and Prince Louis could then be seen peeking out from the balcony, where they are expected to stand at the King's side.
The six-year-old was snapped yawning at one point, too.
A cute Prince Louis was snapped pulling faces from inside the carriage - making Kate and his siblings laugh.
Cheeky chappy Louis directly looked at cameras, giving them an adorable smirk, as he continues to capture the hearts of the nation.
Thousands of fans had already started lining the streets this morning to catch a glimpse of the Royal Family - including Kate, 42, who has made a comeback after her cancer diagnosis.
She beamed on Saturday as she made her first public appearance in months with doting husband Prince William and their kids at her side.
Kate looked stunning dressed in white as she laughed and chatted away to her family.
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In the carriage on the way, George, 10, appeared eager to catch his mum's attention, telling her: "Look over there ma."
Lip reader Gaby Lane told The Sun Kate and William's eldest "looked so happy" as the family waved and smiled at fans during the procession.
It was the first time the Princess had headed along to a Royal event since Christmas, and her cancer diagnosis - and she had a smile ear-to-ear.
The family made their way along the Mall in The Glass Coach, closely following behind the King and Queen Camilla.
The King appeared regal as he gave a royal salute in his first Trooping since his cancer diagnosis.
Princess Anne also held a starring role today - which had a touching link to her brother.
The Princess Royal appeared to have trouble with her horse at one point, but managed to keep it under control.
Prince William, who looked dapper in his red Irish Guards uniform, proudly donning medals on his chest, beamed at crowds, too.
Well-wishers held Union Jacks high as they squished together along the Mall - donning crowns and fascinators atop their heads.
The streets were coloured red, white and blue, as fans waited patiently to see the Princess of Wales.
Crowds erupted this afternoon as Princess Kate stepped onto the balcony with Wills and her kids at her side.
The day had been plagued by rain but downpours couldn't dampen Kate's shine today as she beamed alongside her family.
Fans watched on in awe as the Princess joked and laughed with her children.
Princess Kate earlier shared sweet behind-the-scenes footage of her with George, Charlotte and Louis leaving for Trooping the Colour.
