I have a couple that want to wedding cake that looks like dearest feeling down the side. I have tried corn sera up and caramel and neither one looks right. The cake is due tomorrow. 

Any ideas on how to accomplish this?

Seriously getting desperate!

Maybe add some colored sugar crystals to your syrup to help resemble buubles

super whipped royal icing to look "frothy"?

super whipped royal icing to look "frothy"?

I've heard of people nuking royal icing to make coral or something? you could play with that --

what would it look like to combine titanium dioxide aka white food coloring with granulated sugar? 

neither of those ideas are any kind of for sure -- they are just ideas -- probably pretty random but you never know...

What about gelatin bubbles?