Why royal fans aren’t happy with William and Kate’s birthday message to Princess Anne after Queen’s ‘lovely’ tribute

Prince William and Kate Middleton shared a sweet message to mark Princess Anne's birthday on Monday, but some royal fans weren't too impressed by their level of effort. 

• Prince William and Kate Middleton have received surprising backlash for their birthday message to Princess Anne, after some royal fans noticed a missing detail in their post.
• The Duke and Duchess of Cambridge's well wishes to the Princess Royal came shortly after the Queen shared a heartfelt photo of her only daughter in celebration of her 72nd birthday. 
• In other royal news, Prince Harry and Meghan Markle inspired ‘national conversation’ and ‘polarized opinions’ like Princess Diana, director claims.
  

Prince William and Kate Middleton's birthday wishes to Princess Anne on Monday have prompted an unlikely backlash, with some fans confused over the couple's bare-bones message for the iconic royal. 

The Duke and Duchess of Cambridge took to Twitter yesterday to mark the Princess Royal turning 72, posting a sweet one-liner for the Queen's only daughter in honor of the special occasion. 

"Wishing a very happy birthday to the Princess Royal today!" Kate and William wrote, adding an emoji of a birthday cake to truly convey their celebratory sentiments.  

Their statement came shortly after Princess Anne's birthday message from the Queen, who is currently on vacation at Balmoral Castle in Scotland, was shared on the Royal Family's official Twitter. 

Never a group to overlook the fine details, it didn't take long for royal followers to notice a glaring difference between the two birthday wishes. While Her Majesty included a photo of Princess Anne in her 'lovely' note, William and Kate went for a basic written post. The lack of imagery in the Cambridges' message has irked some Princess Royal fans - and they haven't been afraid to voice this. 

"Should we post pics for them?" one fan suggested, prompting an influx of sweet photos of Princess Anne to flood the Cambridges' comment section on their post. 

It probably didn't help that William and Kate's birthday message to Meghan Markle on August 4 featured a photo of the 41-year-old at the Platinum Jubilee, despite the ongoing rumors of a feud between the couple and the Duke and Duchess of Sussex. 

The future King and Queen Consort didn't completely omit pictures from their tribute to Princess Anne, however. A photo of Prince William's aunt at the Epsom Derby in June was also shared on the Cambridges' Instagram Story yesterday, balancing out the text-focused nature of their Twitter post.