They were once the closest of brothers who grew up in the spotlight while enduring the painful split of their parents as well as the tragic death of their mother side-by-side.
But in recent times, the relationship between heir to the throne Prince William and his younger brother Prince Harry has reached breaking point.
It was reportedly sparked by William's concerns over Harry's fast-developing relationship with Meghan Markle and the tense row quickly boiled over - with the younger prince accusing The Firm of racism and claiming his brother was "trapped" within the royal system in his bombshell interview with Oprah Winfrey.