Activity for Rebecca

I have a few questions. We are thinking of holding our reception under some tents by the lake. We are inviting 80 guests. This tent doesn't look big enough but, I'm not good at measurements lol. Is it a good size if I need more how many more...2? And...

Anybody else a short bride to be? This is my dream dress and I want one as close to this as possible. I love it. Anyways my problem is I'm 4'11 and I weigh 108. I feel like I'm gonna look like a marshmallow. If any short ladies on here tried on...