The past month has been filled with detailed reports emerged that sister-in-laws Kate Middleton and Meghan Markle are fighting, including the story about Duchess Catherine being left "in tears" at Meghan's wedding dress fitting.
The real feud is between Meghan and Prince William.
And now there's footage that backs these accounts.
Watch the video below to see the tense interaction.
Many noted that it appeared Prince William "ignored" his sister-in-law.
Video of the two in-laws leaving St Mary Magdalene Church, Sandringham on Christmas Day has was posted online.
But the clip shows the Duke of Cambridge ignore his pregnant in-law as she speaks to him.
The video seems to show William fixing his scarf - not aware Meghan is chatting to him.
One wrote on Twitter: "Maybe my imagination but William seemed to ignore Meghan.
"And William and Harry did not interact with each other much.
"Something just seemed off between them."
One fan mused, "Do William and Harry talk to each other? I feel there’s something wrong between them."
Another commented: "... it's sad William ignored Meghan's chatter as it looked like she said something to him."
While one royal fan observed, "They are always laughing and probably joking too but on this video they don't even look at each other.
"It's weird, I hope everything is okay between."
WATCH the royals at Sandringham
Prince William has reportedly clashed with his younger brother Harry over the past year with concerns that Meghan might not be a suitable with for his brother.
It is believed that William voiced his concerns to Harry as well as the Queen with his main concern being that of Harry and Meghan moving too quickly.
Previously, it had been rumoured that the main source of tension between the two royal couples stemmed from Meghan and Kate not getting along with each other.