See Photos of Prince George & Princess Charlotte Looking Adorable at Aunt Pippa Middleton's Wedding

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Pippa Middleton married financier James Matthews in a stunning spring wedding at St. Mark’s Church in Englefield today, Saturday, May 20, and of course, her royal niece and nephew were part of the celebration — if not a complete focal point! (How could they not be, when they're so cute?) Prince George and Princess Charlotte, looking as adorable as ever in bespoke outfits from Pepa & Co., accompanied their proud parents, the Duke and Duchess of Cambridge — aka Prince William and Kate Middleton — to the high-profile affair.

The 3-year-old prince, who served as a page boy, looked just like his dad as a child, when he was in his uncle Prince Andrew's 1986 wedding. The 2-year-old princess, who served as a bridesmaid, beamed as she stayed close to her mom. The two joined a gaggle of other children as part of the bridal party.

Here are just a few sweet shots of the royal L.O.s hanging with their impeccably dressed mom, one another, and the all the kiddos on their aunt's big day.

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According to People, wedding guests told reporters that the children were “very” well-behaved during the ceremony. One guest said of the nuptials, "It was amazing. [Pippa and James] were so cute. I cried. My makeup was running." 

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So sweet! Congratulations to the beautiful newlyweds and the entire royal family!