Outrageously Adorable Photos of Prince George, Princess Charlotte, and Prince Louis in 2018

We're halfway through the year, and we've already been treated to a handful of sweet moments from our favorite little royals: Prince George and Princess Charlotte. And what's even more exciting is that now newborn Prince Louis is in the mix! While we haven't seen much of baby Louis other than his hospital arrival and first official portraits, we're sure to get a glimpse of the newest Cambridge at his christening. Meanwhile, 4-year-old George and 3-year-old Charlotte have been hamming it up outside St. Mary's hospital when visiting their new baby brother and, most recently, their Uncle Harry's wedding to Meghan Markle and the annual Trooping the Colour parade. Scroll through to see the cutest pictures of the royal kids this year, so far!

January
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January

Charlotte was cuter than ever on her first day of nursery school at the Willcocks School in London.

January
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January

April
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April

Prince Louis made his adorable debut just hours after his birth at St. Mary's Hospital in London.

April
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April

George and Charlotte arrived in style to meet their new baby brother at St. Mary's Hospital after he was born.

April
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April

Charlotte smiled and waved to the press, resulting in lots of "Awws!"

April
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April

April
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April

May
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May

Charlotte cradled her baby brother Louis in these adorable portraits, which were released days after her third birthday. We also found out that Charlotte is "really enjoying having a younger brother to play with" and is "taking her big sister duties very seriously."

May
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May

How cute is Louis?

May
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May

Prince George sported pants in public for the first time while serving as a pageboy at Harry and Meghan's wedding.

May
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May

Charlotte had a blast waving to Harry and Meghan as they took off on their carriage procession.

May
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May

Charlotte cheekily stuck her tongue out while riding to the wedding. What a ham!

May
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May

George and Charlotte stuck close to their parents after Harry and Meghan's ceremony.

May
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May

George happily pointed out on the steps of St. George's Chapel.

May
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May

Check out those smiles! George and Charlotte showed off their grins in Harry and Meghan's official wedding portraits.

June
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June

Charlotte was the picture of fun in the sun while playing in the grass at William's charity polo match.