When Harry celebrated his 40th birthday in September, however, King Charles and Prince William both acknowledged his day with a social media tributes. Middleton even celebrated brother-in-law's milestone day with a phone call, a source told Express.

Royal fans may recall that last year when King Charles turned 75, it was reported that Harry reached out to his father via a video call and had his children sing “Happy Birthday

Prince Harry's recent actions appear to strain his relationship with the Royal Family further, as he overlooked a significant moment to publicly acknowledge his father, King Charles. The