The Kitty email might not be her current one as it hasn't been seen in 2 years, though it could still be used.
These go back to her but have been seen in other States. The top one traces to Mississippi and the bottom one is Ohio. Both are under her name though. The one under Ohio is more than likely not hers as there is another Katherine St. Jean associated with this one (sometimes, different people get lumped as one, especially when there isn't a big online presence. This other St. Jean is a Veterinarian living in Ohio and ironically, she owns a horse.
Since I was doing this, then as of April of this year, Kat was still living with Phil. So for the speculation that she's no longer there, then it would have to be anytime after April. The curious thing is that she still kept her last name after their marriage.