Prince George takes his first steps in public as his mother, Catherine, Duchess of Cambridge, holds his hand Sunday, June 15, at a charity polo event in Cirencester, England. Chris Jackson/Getty Images for La Martina
Prince William and Catherine with Prince George appear in a family portrait at Kensington Palace in March. Jason Bell/Camera Press/Redux
Prince William and Catherine leave with their son after the baby's christening in London on October 23. At right is the archbishop of Canterbury, Justin Welby. JOHN STILLWELL/AFP/pool/Getty Images
Catherine carries her son after his christening. John Stillwell/WPA Pool /Getty Images
The couple poses with Prince George in early August at the Middleton family home in Bucklebury, England. MICHAEL MIDDLETON via AFP/Getty Images
The family is seen in August along with Tilly, left, a Middleton family pet, and Lupo, the couple's cocker spaniel. MICHAEL MIDDLETON via AFP/Getty Images
The Duke and Duchess depart St. Mary's Hospital in London with their newborn son on July 23. The boy was born at 4:24 p.m. a day earlier, weighing 8 pounds, 6 ounces. Scott Heavey/Getty Images
Catherine holds the baby outside the hospital for the public's first view. John Stillwell/Pool/AP
The new parents stand in front of the Lindo Wing of the hospital. Peter Macdiarmid/Getty Images
A Kensington Palace spokesman said, "Mother, son and father are all doing well this morning." Scott Heavey/Getty Images
Catherine hands the baby off to William. Chris Jackson/Getty Images
"He's got her looks, thankfully," William said. John Stillwell/WPA-Pool/Getty Images
"It's very special," William said after the baby's birth. The prince had already changed his son's first diaper, the couple told reporters. Lefteris Pitarakis/AP
The new parents leave the hospital with William carrying the boy out in a car seat and installing him in the back of a black SUV. Oli Scarff/Getty Images
The newborn sits in his car seat for the ride home. CARL COURT/AFP/Getty Images
Prince William gets ready to depart St. Mary's Hospital. Oli Scarff/Getty Images
Catherine waves to the crowd gathered outside the hospital. Oli Scarff/Getty Images
Well-wishers see the royal couple off after getting a glimpse of the newest heir to the British throne. Peter Macdiarmid/Getty Images