The most iconic photo from every year of Prince William and Kate Middleton’s relationship

• Prince William and Kate Middleton have come a long way since first meeting as fresh-faced students at the University of St Andrews in 2003.
• Now, 17 years – and three children – later, the couple have already seen many milestones together.
• William and Middleton will celebrate their ninth wedding anniversary on Monday, April 29.
• As a tribute to the couple, Insider has found the most iconic image from every year of their relationship.
• Visit Insider’s homepage for more stories.

2003: William and Kate met at the University of St Andrews and rumors of their relationship began to emerge in 2003.

Read more: Kate Middleton and Prince William’s awkward first encounter is proof that even royals struggle when it comes to dating

2004: The pair were first pictured together in March at the Swiss ski resort of Klosters. William was deeply upset by the paparazzi intrusion and The Sun was briefly banned from royal photocalls after this front page.

Source: The Independent.

2005: Kate and William graduated from the University of St Andrews in June 2005. In 2011, the Middleton family released this image of the pair looking loved up after their graduation ceremony.

2006: In December 2006, Kate was pictured with her parents watching William take part in The Sovereign’s Parade at The Royal Military Academy Sandhurst. It was her most significant appearance in their burgeoning relationship.

2007: The couple split in April 2007, but only after being pictured at a Twickenham rugby match together in February. By June that year, there were reports the pair were dating again.

Source: Daily Mail.

2008: Kate watched as William qualified as an RAF pilot at RAF Cranwell in 2008. It was their first public appearance together since The Sovereign’s Parade in December 2006.

2009: The pair did not attend any formal engagements together in 2009 and largely kept out of the public eye. In the same year, William visited Australia and New Zealand.

2010: William proposed while the pair were on holiday in Kenya in 2010. It was announced a month later by Clarence House, when images of the couple were beamed around the world.

2011: Kate and William married on April 29, 2011.

2012: The Olympics came to London in 2012. The Duke and Duchess of Cambridge attended many events to cheer on Team GB. In these famous images, they celebrated cycling success in the Velodrome.

2013: A year later, the couple emerged from the Lindo Wing of St. Mary’s Hospital clutching their first child, Prince George.

2014: The Duke and Duchess of Cambridge have met many world leaders on their state visits. In 2014, they sat with French President François Hollande at the ceremony of remembrance for the 100th anniversary of the outbreak of World War I.

2015: The couple’s second child, Princess Charlotte, was born on May 2, 2015.

2016: Back on the ski slopes, William and Kate posed for the cameras after exchanging fire in a snowball fight.

2017: As the pair prepared to celebrate their sixth wedding anniversary, they officially started the London Marathon in April 2017.

2018: The couple welcomed their third child, Prince Louis, outside the Lindo Wing at St Mary’s Hospital in April 2018.

Read more: PHOTOS: Every royal baby that’s been born in the last 100 years

2019: They looked happier than ever at a parade for St Patrick's Day in February 2019.

Read more: Kate Middleton wore a $4,000 Alexander McQueen coat and drank a Guinness on a St Patrick's Day visit to the Irish Guards

2020: The Duke and Duchess of Cambridge rarely show PDA, but they broke from this protocol during a visit to South Wales earlier this year.

Read more: Prince William and Kate Middleton have upped their PDA game, and they could be taking notes from Prince Harry and Meghan Markle