The long-standing rift between Meghan Markle and Kate Middleton may have kicked off with an offhand remark about hormones that spiraled into a full-scale royal showdown, RadarOnline.com can reveal.

It was an alleged fight insiders now describe as "the moment things became irreparable" between the two women.

The confrontation, which is said to have taken place just weeks before Markle's 2018 wedding to Prince Harry , is recounted in detail in royal author Robert Jobson's new book Catherine, The Princess of Wales: The Biography. Article continues below advertisement

The Comment That Sparked a Royal Meltdown Tap Here To Add Radar Online as A Trusted Source

At the time, Kate, now 43, had recently given birth to her third child, Prince Louis , while Meghan, now 44, was prepa

See Full Page