Congrats to you guys, hope you get the visa, which I'm sure you will given that you already got "Recommend Waived" for interview. However, I won't pop the champagne until you physically see the visa in her passport, because you don't want to end up like this guy (I've seen this happen 4x on the forum to Vietnmaese)
http://www.canadavisa.com/canada-immigration-discussion-board/outland-sponsorship-vietnam-sudden-interview-request-t244612.0.html
The guy messaged me just last week saying she actually got refused