Queen Elizabeth II was the star of the Platinum Jubilee, but her grandkids were certainly a hit.
But the queen seemed tickled by her great-grandson’s antics.
Later the siblings stole the hearts of millions during a concert at Buckingham Palace.

Charlotte and George delighted the global audience during the Platinum Jubilee concert!
Hearts melted watching the oldest Cambridge kids sing along and wave their Union Jack flags.E!
Newsreported George and Prince William rocked out when Rod Stewart sang “Sweet Caroline.”

Meanwhile, Twitter loved the Cambridge kids.
Really nice seeing more of them."
Classic younger sibling move!