UPDATE 12:30 PM PT — Sources near Katharine McPhee inform us their son’s nanny, who they thought-about household, handed away. We nonetheless do not know what the circumstances are surrounding her dying, however we’re informed Katharine is presently en path to the U.S. UPDATE We have reached out to a rep for Katharine, however up to now, no phrase again. Singer Katharine McPhee simply went MIA from her live performance tour in Asia … and it is all due to a household emergency. Katharine posted a press release on Instagram Friday … apologizing to her followers for lacking the final two exhibits in Jakarta on the Asian leg of her…