Minkpink doesn't run small it always runs larger actually. Im a size 10 and always order the small from their brand. So if you are a 12 normally you would 100% be a size 10 in their clothing. Don't buy online if you are expecting a full refund!
What a bizarrely aggressive comment! I have bought heaps of minkpink stuff. Maybe their sizing is changing, but for the last few years I and my friends have had to size up. It's cool that you have a different experience, but this has been mine. I buy online once a week to once a fortnight, and I no longer shop at princess Polly because there are so many fantastic stores which let me return goods for a refund if they don't fit, or even if they just don't suit. Not sure why I shouldn't 'buy online'. Money talks, and I spendibe at stores that care enough about their customers that they make online shopping an easy experience. If you can return the wrong thing you're sure to end up with the right thing. :)