Hi Skyelar

Kelly is right. The shaking is common and caused by anxiety / stress. It is also caused by adrenaline, which is a drug that your body releases when you are excited or scared.
There are a few tricks that you can use to help prevent / reduce the shaking.

Count backwards from 30 in threes

Look at the covers on the bed, or the curtains or anything else in the room that has patterns on it and try to make faces out of the patterns.

Think of a family member / boyfriend and try to remember every Christmas / birthday present that they have given you. Start with last year and see how far back you can go.