Prince Harry is “honored” to head back to his native U.K. for charity purposes, just days after receiving birthday wishes from his estranged royal relatives. The 40-year-old Duke of Sussex will appear as the guest of honor at the annual WellChild awards later this month,

The Duke of Sussex turns 40 today, and in honor of the occasion, the royal family sent sweet birthday messages via social media.

Harry's longtime friend and fellow polo player previously told PEOPLE that he's glad to see Harry thriving as a dad