I got all dressed up just to not go

So I was going out with some friends when I notice my stomach was way bigger then I thought !!!! DEFINITELY MY Insecurity!!!! What workout can I do to melt away this fat !! Because at this point I’m thinking of surgery but hate the way the belly button looks !!!!! Ugh hate my body 😒 I always been big even when I was a baby -just one night to be skinny 🤦🏽‍♀️

WHAT WORKOUT TARGETS THE STOMACH MUSCLE??? Help wanted bad