RODEO PONY (first time with saddle on)

EDIT It is not me screaming in this video, I am the blonde haired person, I would not personally have been that loud around a young horse but I can’t control what other people do! so please don’t comment telling me not to scream.
Also, to people saying that I did this without preparing the pony, this pony had had several weeks of ground work as explained below in my original description and had never shown any reaction so letting her trot with a saddle on was the next step not the first one I did! **
Spent the last few weeks putting rope pressure on Spyro's back and belly to prepare her for the saddle, then using the surcingle with saddle pad, then have been putting the saddle on her in the stable for several days now so today I decided to let her into the arena with it on to see how she would respond to it on her back when she trotted....
As you can see it was rather eventful lol
I had been saying to Ally before how quiet she is and how she's never bucked, hence her very shocked reaction
As you can see, after her little episode Spyro got used to the saddle and was going very calmly in it by the end :)
(before people say the saddle is too big, it's just an old saddle we use around the yard for breaking horses so our own don't get damaged. it won't be the one i'm using)