The orginal plan was to tell her the morning of that we were going. The plan didn't exactly go as planned. We caved the night before and told her. She was starting to ask a lot of questions as to why she was having to go to bed early and why we were having to get up so early.
To save the peace from a million and one questions we went ahead and told her that she got her invite.
I was seriously crying when we told her. I mean tears were rolling down my face!