Royal Baby Album! 16 Candid Shots of Prince George, Princess Charlotte and Prince Louis

Prince George's christening took place at the Royal Chapel in St. James's Palace in October 2013. His brother, Prince Louis, was also christened there in July 2018.

Prince George and his mom, Kate Middleton, played on the sidelines of Jerudong Park Trophy polo match in June 2014.

Prince George, Princess Kate and Prince William visited the Sensational Butterflies exhibit at the Natural History Museum in London in July 2014.

Prince George got hands-on experience with a butterfly at the exhibit.

Prince George sat for Christmas portraits in a Kensington Palace courtyard in November 2014.

Prince George greeted the crowds outside the Lindo Wing of St. Mary's Hospital following the birth of Princess Charlotte in May 2015.

Princess Charlotte was christened in July 2015 at the Church of St. Mary Magdalene in Sandringham.

The royal family's first Christmas portrait as a family of four was taken in October 2015 at Kensington Palace.

During their Royal Tour of Canada in September 2016, Prince William and Princess Kate took George and Charlotte to a children's party in Victoria.

Princess Charlottes smiled as her mom Kate showed her around the party.

Also on their Canada tour, Princess Charlotte stole the show with her sweet grin before the family boarded a sea-plane on their last day.

Princess Charlotte held mom's hand (and a candy cane!) outside church on Christmas Day 2016.

Kate Middleton took portraits of Charlotte in April 2017 in honor of her second birthday.

At Trooping the Colour 2017, Charlotte had a blast during the traditional flypast from the Buckingham Palace balcony.

The first portrait of Prince Louis was released in May, less than two weeks after his birth on April 23, 2018.

Prince Louis' four official christening portraits were released on Sunday, with a surprise fifth that shows off Louis' gummy grin!