Prince Harry and Prince William to walk side-by-side behind Prince Philip's coffin despite brotherly tension

Prince Harry and Prince William will reunite to mourn their grandfather Prince Philip and are set to walk behind his coffin "shoulder-to-shoulder", despite the well-publicised rift between them. 

According to the Daily Mail, the brothers will be expected to stand by each other's side during the royal procession for the Duke of Edinburgh, who died at the age of 99 on April 9. 

It will be the brother's first meeting in over a year, and the first time they'll be seen in public together after Harry told Oprah Winfrey he and William were taking "space" and waiting for time to "heal" their relationship. 

In the bombshell interview alongside his wife Meghan Markle, Harry also said that his brother was "trapped" in the Royal Family, and that he had been "let down" by his father Prince Charles, who at one stage stopped returning his calls. 

Meghan, who is expecting her second baby, will not be attending the funeral with Harry, having not received medical clearance to fly from the US. 

Of course, it won't be the first time Harry and William have walked in a royal funeral procession. In 1997, they famously followed their mother Princess Diana's casket through the streets as the world watched on. 

Harry and William's involvement in that procession was highly debated, as the brothers were just 12 and 15 years old at the time. Philip reportedly made a pact with the boys the night before the funeral, telling them "I'll walk if you walk". 

Philip was also said to have comforted and distracted the boys by pointing out historical landmarks along the way. 

The Queen's husband of 73 years will be remembered in a ceremonial funeral on April 17 at St George's Chapel on the grounds of Windsor Castle.