Prince Williamis paying the birthday love forward!The royal, who turned 37 in June, is replying to fans who sent him birthday wishes with his own sweet card.Blog Gert’s Royal Replies tweeted William’s thank-you card, which features a photo ofPrince William from his 2017 interview with British GQ. The dapper photo must be a personal favorite – William also used it for his 2017 and 2018 birthday replies!Also included is a typed message that reads: “The Duke of Cambridge is most grateful to you for writing as you did on the occasion of his 37th birthday.“It really was most thoughtful of you and His Royal Highness sends you his warmest thanks and best wishes.”William is currently in Scotland with wife Kate Middleton and their three children,Prince George,Princess CharlotteandPrince Louis. The family of fivetraveled to Balmoral Castleto close out summer withQueen Elizabethat her Scottish residence.On Sunday,William and Kate accompanied the Queen to church services. The trio was seen smiling and waiving from their car as they made their way to church.(L-R) Queen Elizabeth, Kate Middleton and Prince William.Duncan McGlynn/Getty ImagesFor more than 150 years, the Scottish castle has served as a private retreat for the British royals. In the highlands, the royals like to entertain friends, hold dances, picnic and go on shooting parties – all the while battling the nibbling little flies that stalk the heather-covered mountain sides.Can’t get enough of PEOPLE’s Royals coverage?Sign up for our newsletterto get the latest updates onKate Middleton,Meghan Markleand more!Adrian Dennis/AFP/GettyThe expansive Scottish property has been in the royal family since 1845, when Queen Victoria’s husband, Prince Albert, purchased the castle and the surrounding 7,000 acre estate.
Prince Williamis paying the birthday love forward!
The royal, who turned 37 in June, is replying to fans who sent him birthday wishes with his own sweet card.
Blog Gert’s Royal Replies tweeted William’s thank-you card, which features a photo ofPrince William from his 2017 interview with British GQ. The dapper photo must be a personal favorite – William also used it for his 2017 and 2018 birthday replies!
Also included is a typed message that reads: “The Duke of Cambridge is most grateful to you for writing as you did on the occasion of his 37th birthday.
“It really was most thoughtful of you and His Royal Highness sends you his warmest thanks and best wishes.”
William is currently in Scotland with wife Kate Middleton and their three children,Prince George,Princess CharlotteandPrince Louis. The family of fivetraveled to Balmoral Castleto close out summer withQueen Elizabethat her Scottish residence.
On Sunday,William and Kate accompanied the Queen to church services. The trio was seen smiling and waiving from their car as they made their way to church.
(L-R) Queen Elizabeth, Kate Middleton and Prince William.Duncan McGlynn/Getty Images

For more than 150 years, the Scottish castle has served as a private retreat for the British royals. In the highlands, the royals like to entertain friends, hold dances, picnic and go on shooting parties – all the while battling the nibbling little flies that stalk the heather-covered mountain sides.
Adrian Dennis/AFP/Getty

The expansive Scottish property has been in the royal family since 1845, when Queen Victoria’s husband, Prince Albert, purchased the castle and the surrounding 7,000 acre estate.
source: people.com