For the past thirty years, we've seen Prince Harry grow up from an adorably rowdy little brother into one of the world's most desirable bachelors . To celebrate the royal's big birthday, which takes place on Monday, we've rounded up his most memorable photos from his life in the public spotlight, from annoying older brother Prince William during vacations to taking on major projects of his own like his Invictus Games. Keep reading to see his best snaps and, if you're still in the mood for royal childhood photos, check out pictures of Harry and William with their late mother, Princess Diana .
Harry didn't appear as interested in the crowd as his brother William when his family boarded the Royal Yacht Britannia  in 1985.
Harry's screaming got on William's nerves when the family took a trip to Spain in 1987.
In 1989, Harry showed his love for Thomas the Tank Engine during a school run with his mom.
Harry inspected troops with his mother, Princess Diana, in 1993.
In 1995, Harry slipped his shoes off while attending a royal event with his mother, Princess Diana.
Harry took a hike with William and Charles during a Summer vacation at Balmoral Castle in 1997.
Harry, William, and their cousin, Peter Phillips, attended Christmas mass together in Sandringham in 2000.
Harry chatted with Charles during a polo match in Gloucestershire, England, in 2001.
Harry played polo on a bicycle for a charity match in Wilshire, England, in 2002.
In 2003, Harry made toast at Eton.
The young prince took part in a "Wall game" while attending Eton in 2003.
Harry took a break from painting at Eton in 2003 to play around with a skeleton.
Harry took part in a school production of Much Ado About Nothing at Eton in 2003.
Harry participated in the Golden Jubilee Trophy polo tournament as "Harry Wales" in the Summer of 2003.
Harry got more than he bargained for when he held a porcupine during 2003 visit to Australia.
Harry got cute with a baby during a 2005 visit to Lesotho.
In 2005, Prince Harry, his uncle the Duke of York, and Queen Elizabeth II watched a flyover commemorating the 60th anniversary of the end of World War II.
Prince Harry and Prince Charles shared a joke at a 2005 polo match.
Harry attended a parade in Hyde Park in May 2006.
The royal brothers greeted guests as they arrived for the Service of Thanksgiving for the life of Princess Diana in London in August 2007.
Harry and his brother arrived at the world premiere of the James Bond film Quantum of Solace in October 2008.
Prince Harry took his gear off upon arriving home after a 10-week tour of duty in Afghanistan in 2008.
Prince Harry charmed local children after competing in a charity polo match in 2008.
Harry smiled while holding a baby at the University Hospital of Wales in June 2008.
Professional polo player Nacho Figueras and Prince Harry attended the award ceremony following the Veuve Clicquot Manhattan Polo Classic in NYC in May 2009.
Prince Harry looked smokin' while attending a military helicopter training course in June 2009 in Shawbury, England.
In January 2010, Prince Harry visited 2-year-old Tyrell Richards in the pediatric ward at the Queen Elizabeth II hospital in Bridgetown, Barbados.
Harry joined hands with a little boy during a visit to a children's center in Semonkong, Lesotho, in June 2010.
Prince Harry and Prince William held an African rock python during a 2010 visit to Botswana.
Harry hung out with an 8-week-old puppy during a visit to an animal charity in the Summer of 2010.
The prince threw the opening pitch before the New York Mets played the Minnesota Twins in New York in June 2010.
Harry attended a friend's wedding  in July 2010.
Harry met military personnel taking part in the British Legion March For Honour in November 2010.
Prince Harry prepared for a championship rugby match between England and France in London on Feb. 26, 2011.
Best man Harry presumably cracked a joke to an unamused maid of honor, Pippa Middleton, at Prince William and Kate Middleton's wedding  in April 2011.
Prince Harry attended the launch of the Soldier Challenge 2011 in London.
Harry looked pretty buff in May 2013, when he played a bit of baseball in NYC.
In August 2013, Harry looked very fit after playing a game of polo in Ascot, Berkshire, England.
Harry chatted with an adorable young boy during a charity event in London in 2013.
Harry caught a rugby ball in October 2013 during a royal event in London.
Harry grew a beard when he trekked to the South Pole with Walking With the Wounded in December 2013.
Harry looked handsome in his fatigues during his announcement for the Invictus Games in London in March 2014.