What Exactly SHE was doing!?

Everyone's wondered how dunb Queen Chrysalis could possibly be in Royal Canterlot wedding. This is a HeadCanon/Story I thought of that might help make her seem....less dumb. Also my first story

This is the story [in my mind] of how Royal Canterlot wedding started and what exactly Chrysalis was trying to do. This is going to be very random, but it's just a long HeadCanon right?
This is Before The Show.

Everyone