It’s Prince Harry’s 31st Birthday — See His Cutest Childhood Photos with Prince William!

December 1986

Harry and William pose with their parents at the family's Kensington Palace home.

May 1985

The royal family was photographed visiting Venice, Italy in the mid-1980s.

October 1985

William, Harry, and Diana pose at Kensington Palace.

October 1985

A young William and his brother, Harry, pose with their father, Charles, at Kensington Palace.

July 1986

Diana, Charles, and their two boys pictured in Tetbury, England.

July 1986

William and Harry posed in front of Highgrove House in matching, mini army uniforms in summer 1986.

July 1986

The young boys were once spotted playing with their mother outside Highgrove House.

April 1987

William and Harry playing in Scotland in the late 1980s.

June 1987

The brothers were adorably photographed at Cirencester Park Polo Club in summer 1987.

June 1987

William and Harry posed with their grandmother, Queen Elizabeth, at a polo club in Windsor, England.

August 1987

Charles and Diana with their children in Spain in summer 1987.

June 1988

Harry stuck his tongue out at photographers while standing on the Buckingham Palace balcony in summer 1988.

June 1989

The brothers looked dapper at a royal event in London in June 1989.

September 1989

William and Harry were spotted sporting their school uniforms in fall 1989.

April 1990

The brothers vacationed with their mom in the British Virgin Islands in the early 1990s.

April 1991

William, Harry, and Diana went on a fun ski trip in Austria in spring 1991.

October 1991

In fall 1991, the duo stepped out wearing matching denim outfits.

October 1991

William, Harry, and their mother visited Niagara Falls in 1991.

April 1993

The trio visited the Thorpe Park amusement part in spring 1993.

March 1994

Diana and her boys bundled up in Austria in spring 1994.

August 1995

Charles, Diana, William, and Harry at a V.J. Day commemorations event in summer 1995.

September 1996

William and Harry looked handsome in matching suits in fall 1996.

August 1997

William, Harry, and Charles visiting Balmoral Castle in summer '97.

March 1998

Charles and his two sons were spotted skiing in Canada in 1998.

December 1998

The boys attending Christmas church in Sandringham in 1998.

June 1999

In summer 1999, William and Harry looked dapper at a royal family wedding.

July 1999

The brothers again wore matching blue outfits in summer '99.

April 2000

Charles posed with his boys in April 2000 during a ski trip in Switzerland.

July 2001

In summer 2001, William and Harry attended a UK polo match.

The End!