"The Queen is extremely fair so she isn't siding with Kate or Meghan but she's tired of reading about their feud everyday," they added.
"She's confident that she'll get their friendship back on track. But it's not going to happen overnight," they continued.
The publication alleges that the Queen has asked Kate to organise a baby shower for Meghan as a "peace offering".
"The Queen believes that once Meghan gives birth in the Spring the two will have more in common and will bond over their children," the source concluded.