Well I made it! lol. The cake turned out ok but next time I will do so many things differently. I tried to cut too many corners and save time and paid the price. Anyway, the cake turned out ok but started to fall apart soon after I set it on the table. I used boxed cake mix (never again) and ready made frosting (never again) lol. I ran out of black frosting and had to use green. The cake tasted great but fell to pieces all over the table. 
The party went on without flaw with fifteen, 18 year olds all night long. They had a great time and ate the cake generously. Here's a pic for what it's worth. Thanks to nanette1 for the dowel rods tip! 
Thanks for the reply ChrisJ. I'll deffinitely be using a denser cake reciepe if I can find one as well as a different frosting. I was told to try cake boards next time as well. My birthday is this Thursday. Maybe I'll make myself a cake and try again!!! 
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