29 photos of Kate Middleton and Prince William showing rare PDA

Middleton and Prince William were friends in college and they both graduated from the University of St. Andrews in Scotland.

At an Eton-College sports event in 2006, Prince William can be seen kissing Middleton's cheek. The pair also has their arms wrapped around each other.

Following their April 2011 wedding at Westminster Abbey, the couple was photographed kissing on the balcony at Buckingham Palace.

The couple displayed affection while heading out on their honeymoon.  

Cameras captured their smiles as they hugged in Charlottetown, Prince Edward Island, Canada.

In 2011, Middleton and Prince William visited the new Oak Centre for Children and Young People at Royal Marsden Hospital in Sutton, England. 

While attending the 2012 wedding of Emily McCorquodale and James Hutt in Grantham, England, Prince William could be seen with his hand on Middleton's back. 

While visiting Santa Barbara, California, Middleton congratulated Prince William with a kiss on his cheek following his polo match. 

While attending an equestrian event at the Summer Olympics in London, the couple held hands and smiled at each other. 

Middleton and Prince William seemed full of excitement while watching the London 2012 Olympics.

The couple was captured holding hands in 2013 at Sandringham in King's Lynn, England.

In 2014, the couple descended the stairs while leaving a special dinner at the Metropolitan Museum of Art in New York City.

Middleton and Prince William stayed close while heading into The Carlyle Hotel in New York City.

On Christmas day in 2014, Prince William held Middleton's hand in King's Lynn, England.

Perhaps he had his hand on his wife's back to help steady her as she walked down a set of stairs at St. Paul's Cathedral in London, England. They were there to attend a Service of Commemoration for troops that were stationed in Afghanistan.

After giving birth to Princess Charlotte, Middleton held hands with her husband as the pair left St. Mary's Hospital in London.

In 2016, Middleton and Prince William sat next to Canada's prime minister Justin Trudeau while in Victoria, Canada.

At Queen Elizabeth Olympic Park in London, England, Middleton could be seen smiling with her husband's arm around her. 

It was the same year that Prince Harry attended the royal holiday festivities with Meghan Markle by his side. 

The couple was all smiles at the 2018 St. Patrick's Day celebration in Hounslow, England.

The couple held hands while leaving St. Mary's Hospital after Middleton had recently given birth to Prince Louis. 

In October of 2018, the Duchess of Cambridge joined other members of the royal family at  Princess Eugenie and Jack Brooksbank's wedding in St. George's Chapel at Windsor Castle. 

While on a visit to South Wales, Middleton placed her hand on Prince William's arm.

During their March trip to Dublin, Ireland, the couple was photographed with their arms around one another while at the Howth Cliff Walk.

In August 2020, the pair was photographed playing arcade games at Barry Island, South Wales. The photo was even posted to the royals' official Instagram page.

As some pointed out, the image is similar to photos of Prince Harry and Meghan Markle at Canada House earlier that year.

In April 2021, the couple shared wedding portraits for their 10th wedding anniversary on their social media accounts.

In them, they're seen hugging and holding hands while sitting close together, with Middleton's elbow resting on her husband's leg. 

On November 30, the pair attended an NBA basketball game in Boston, Massachusetts.

The pair stayed close together while attending the British Academy Film Awards.

In July 2023, Middleton and Prince William watched as King Charles was presented with Scotland's crown jewels inside St. Giles' Cathedral. 

During the event, Middleton could be spotted placing her hand on Prince William's lower back, though some pointed out it looked like she could be patting his butt.