Didn’t that cake from the New Moon trailer look AWESOME? InStyle did a little article on how to make the cake at home:
1. Cover each cake tier with a “mask” of white fondant [a thick, malleable icing]. Stack tiers from largest to smallest.
2. Separate one package of fondant into 5 batches. Use food coloring to tint each batch a different shade of green.
3. Roll each batch of fondant into a thin sheet and cut into strips of varying width.
4. Attach the strips around each tier using stiff royal icing as glue.
5. Place red, yellow and green Gerbera daisies around the bottom of each tier.

…. this still seems pretty complicated to me.
This cake looks awesome though that I found– and MUCH simpler!

If you want to read more about making the perfect Twilight cake, check out InStyle.