Prince George and Princess Charlotte have their first photo shoot together

Britain’s Prince William and Catherine, the Duchess of Cambridge, with their newborn daughter, wave to the public as they leave St. Mary’s Hospital’s Lindo Wing in London on Saturday.   (Tim Ireland / Associated Press)

Catherine, Duchess of Cambridge holding her newborn daughter outside the Lindo Wing at St. Mary’s Hospital in London. Princess Charlotte, the second child of the Duke and Duchess of Cambridge and fourth in line to the British throne, will be christened by the Archbishop of Canterbury at St Mary Magdalene Church in Sandringham on July 5, 2015.

The newborn baby princess, born to parents the Duchess of Cambridge and Prince William, is carried in a car seat by her father from the Lindo Wing of St. Mary’s Hospital.

Prince William and Catherine, Duchess of Cambridge, with their son Prince George, during a visit to the Sensational Butterflies exhibition at the Natural History Museum in London.

Britain’s Prince William, his wife, Catherine, and Prince George are photographed at the Natural History Museum in London on July 21, 2014.

Prince William picks up his son, Prince George, as they arrive at the Lindo Wing at St. Mary’s Hospital after the birth of the royal baby on May 2, 2015.

Prince William, Duke of Cambridge ,and Prince George of Cambridge arrive at the Lindo Wing after Catherine, Duchess of Cambridge gave birth to a baby girl at St Mary’s Hospital on May 2, 2015 in London.

Britain’s Prince William, Duke of Cambridge, picks up his son Prince George of Cambridge after he refused to walk from a car as they return to the Lindo Wing at St Mary’s Hospital in London, where Catherine, Duchess of Cambridge, gave birth to their second child, a baby girl, earlier in the day.

Britain’s Prince William, Duke of Cambridge, and his wife Catherine, Duchess of Cambridge, departing with their newborn baby Prince George St. Mary’s hospital in London.

Two words easily sum up William and Catherine’s whirlwind year in 2013: royal baby. The internationally recognized couple’s road to parenthood was highly documented, criticized and broadcast, but this pair handled it all with the grace and poise expected of modern-day royals. The couple welcomed their son, Prince George, the third in line to the British throne, in July and stole our hearts when they showed him off in intimate portraits unveiled at his September christening.  (Leon Neal / AFP/Getty Images)

Prince William and Catherine, Duchess of Cambridge, show their newborn baby boy, Prince George of Cambridge, to the world’s media outside the Lindo Wing of St Mary’s Hospital in London in July 2013.

Britain’s Prince William and his wife Kate, Duchess of Cambridge stand outside of Westminster Abbey after their Royal Wedding in London Friday, April, 29, 2011.