Popsugar Celebrity The Royals Prince William and Kate Middleton's Kids 2018 Pictures 23 Outrageously Adorable Photos of Prince George, Princess Charlotte, and Prince Louis in 2018 30 May 2018 by Britt Stephens Image Source: Getty / DANIEL LEAL-OLIVAS We're halfway through the year, and we've already been treated to a handful of sweet moments from our favourite 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 in May. Scroll through to see the cutest pictures of the royal kids this year, so far! January Image Source: Getty / Handout Charlotte was cuter than ever on her first day of nursery school at the Willcocks School in London. 1 / 23 January Image Source: Getty / Handout 2 / 23 April Image Source: Getty / WPA Pool Prince Louis made his adorable debut just hours after his birth at St. Mary's Hospital in London. 3 / 23 April Image Source: Getty / Samir Hussein 4 / 23 April Image Source: Getty / Samir Hussein 5 / 23 April Image Source: Getty / Max Mumby/Indigo 6 / 23 April Image Source: Getty / JOHN STILLWELL 7 / 23 April Image Source: Getty / DANIEL LEAL-OLIVAS George and Charlotte arrived in style to meet their new baby brother at St. Mary's Hospital after he was born. 8 / 23 April Image Source: Getty / Chris Jackson Charlotte smiled and waved to the press, resulting in lots of "Awws!" 9 / 23 April Image Source: Getty / Samir Hussein 10 / 23 April Image Source: Getty / Max Mumby/Indigo 11 / 23 May Image Source: Getty / REX/Shutterstock 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." 12 / 23 May Image Source: Getty / REX/Shutterstock How cute is Louis? 13 / 23 May Image Source: Getty / JANE BARLOW Charlotte stretched in her bridesmaid's dress at Prince Harry and Meghan Markle's wedding at St. George's Chapel in Windsor. 14 / 23 May Image Source: Getty / WPA Pool 15 / 23 May Image Source: Getty / WPA Pool Prince George sported trousers in public for the first time while serving as a pageboy at Harry and Meghan's wedding. 16 / 23 May Image Source: Getty / WPA Pool Charlotte had a blast waving to Harry and Meghan as they took off on their carriage procession. 17 / 23 May Image Source: Getty / WPA Pool Charlotte cheekily stuck her tongue out while riding to the wedding. What a ham! 18 / 23 May Image Source: Getty / WPA Pool George and Charlotte stuck close to their parents after Harry and Meghan's ceremony. 19 / 23 May Image Source: Getty / WPA Pool George happily pointed out on the steps of St. George's Chapel. 20 / 23 May Image Source: Getty / Pool/Samir Hussein Charlotte waved to the crowd. 21 / 23 May Image Source: Getty / Max Mumby/Indigo 22 / 23 May Image Source: Getty / Handout Check out those smiles! George and Charlotte showed off their grins in Harry and Meghan's official wedding portraits. 23 / 23 The RoyalsCelebrity BabiesPrince LouisBest Of 2018Princess CharlotteThe British RoyalsPrince GeorgePrinceRoyal BabyMarriage