This Terrific Little Shop of Horrors Cake was made by Sweet On Cake. The cake was a birthday gift for a guy starring in Little Shop of Horrors in San Jose, CA. He was the lead role (Seymour), and his 25th birthday landed on the same day as opening night! Seymour on the cake was modeled after him.
Here's a close-up of Audrey, the man-eating, singing plant.
Here is a close-up of Seymour with a box of rat poison in one hand.