At this rate, given Horry's point that the dinosaur gets substituted by one of the guests - they'll need to blow the bride up big to be the T Rex replacement; by the sound of it they're not going to have too many problems getting all the guests to run away from her screaming... 

And surely if she is going to have a theme - then choose 50s Hollywood or 60s Hollywood - that's a really wide theme that's just going to look a mess rather than cool 