The 27-year-old songwriter posted his artwork at various stages, which led to the last post of his stories being the impressive painting, composed out of water color paint.
He also wrote within the post: "Rest in peace HRH Prince Philip. Small tribute to you, thank you for your service."
The artistic tribute comes after the passing of Prince Philip, who died on April 9 at the age of 99.
Several other Royal family members have also paid tribute on social media, including both Prince William and Kate Middleton, who swapped their icons on their Kensington Royal Instagram and Twitter pages for the official crests in Philip's honor. The icons of the Clarence House social media accounts for both Prince Charles and Duchess Camilla were changed as well.
Philip's passing comes roughly two months after he was first hospitalized at King Edward VII's Hospital in London back in February. He was later transferred to St. Bartholomew's hospital after being treated for an infection and then emerged four weeks later and returned home on March 16.
In an announcement issued by Queen Elizabeth II on April 9, she expressed with "great sorrow" that her husband passed away "peacefully" at Windsor Castle.
The funeral proceedings are set for Saturday, April 17 at St. George's Chapel in Windsor Castle. Both Prince William and Prince Harry will be in attendance, but Meghan Markle will notably be absent due to her being unable to receive medical clearance to travel. Markle is currently pregnant with the couple's second child, a baby girl.
Watch a livestream of Prince Philip's funeral on E! News starting at 9:15 a.m. ET/6:15 a.m. PT on April 17.