Official Photographs of Princess Charlotte and Prince Louis

Little Prince Louis: The Official Portrait

The royal photo album grows with the latest heart-melting picture.

The official portrait of two-week-old Prince Louis was released on Sunday, marking another royal baby moment. From Prince George's days as an only child to Princess Charlotte becoming a big sis, take a look at the most adorable snapshots from the expanding Windsor family photo album.

LOUIS, LOUIS Handout/Getty Images LOUIS, LOUIS Prince Louis, April 2018 BECOMING A BIG SIS Handout/Getty Images BECOMING A BIG SIS Princess Charlotte and Prince Louis, April 2018 BROTHERLY LOVE Handout BROTHERLY LOVE Prince George and Princess Charlotte, June 2015 LITTLE MAN Handout/Getty Images LITTLE MAN Prince George, December 2014 BRIGHT EYES Handout/Getty Images BRIGHT EYES Princess Charlotte, May 2016 A STROLL IN THE PARK Handout/Getty Images A STROLL IN THE PARK Princess Charlotte, May 2016 A BOY AND HIS DOG Handout A BOY AND HIS DOG Prince George, June 2016 THREE YEARS OLD Handout THREE YEARS OLD Prince George, June 2016 TERRIFIC TWOS Handout TERRIFIC TWOS Princess Charlotte, May 2017 ALL GROWN UP Handout/Getty Images ALL GROWN UP Prince George, June 2017