Prince GeorgeandPrincess Charlottehave done it again!

Whileattending the weddingof one of their motherKate Middleton’s closest friends,Sophie Carter, on Saturday, the young royals stole the show with their adorable antics.

In PEOPLE’s exclusive photos, George, 5, can be seen marching around with a smile on his face, while his sister Charlotte, 3, gives her big brother an amused look.

“George is a real star, quite the little chap,” a source told PEOPLE on Saturday. “He was having a great time, running around like the leader of the pack.”

Enjoying the sweet display, Kate, 36, flashed a warm smile while watching her son run about with his fellow page boys.

These pictures were taken from a pubic position across the A148 where you can clearly see the church where a crowd of locals had gathered to watch proceedings (Pictures can be supplied of this). The principles and their protection team were aware that I wa

George and Charlotte were also on their cutest behavior when it came time to take wedding photos with the bride and her new husband, Robert Snuggs.

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In the images, Kate holds Charlotte in her arms while looking on with a smile at her eldest son, who’s standing front and center near the happy couple.

These pictures were taken from a pubic position across the A148 where you can clearly see the church where a crowd of locals had gathered to watch proceedings (Pictures can be supplied of this). The principles and their protection team were aware that I wa

These pictures were taken from a pubic position across the A148 where you can clearly see the church where a crowd of locals had gathered to watch proceedings (Pictures can be supplied of this). The principles and their protection team were aware that I wa

For the weekend affair, both children wore traditional bridal attendant outfits in white and blue. Charlotte — who counts Sophie asone of her godparents— was one of three bridesmaids, while George was among the chosen four pageboys.

RELATED VIDEO:Kate MiddletonandPrince WilliamAttend Church with the Queen at Her Summer Getaway in Scotland

While attending the nuptials, the youngsters pulled off a royalwedding hat-trickin the process, as they both previously had roles inPrince Harry and Meghan Markle’s wedding in MayandPippa Middleton and James Matthews’ weddingin 2017.

source: people.com