Battle of Brothers by royal historian Robert Lacey, William was "uncertain" about his relationship with Kate, who he'd then been dating for almost six years, and made the fateful call on April 11, 2007. "Kate excused herself from a meeting at Jigsaw, the fashion store with which she’d recently started working, to take a call from William in a room out of earshot of the other buyers," Lacey writes, as Us Weekly reports. "She shut the door for more than an hour.
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