Stupid question....bra/boob problems

So this might be kind of a silly question, but would corset help keep my boobs up during a school dance? I’m wearing a strapless dress for my senior prom and I have a bigger chest and my boobs are built like water balloons basically and I have trouble keeping them up. I don’t really feel comfortable wearing a strapless bra because I’m afraid I’m going to be wasting the dress up all night.

So any advice on how to keep the ladies secure while still enjoying the dance? I don’t really have anybody to ask for help or talk about this with so please don’t make fun of me. I’m really nervous about this dance because it’s the first time of actually cared and it’s my last actual dance.

(I still need to get the dress altered)

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