How do you rock a fabulous outfit without a well-fitted bra? Well, its impossible! Let’s just say that bands riding up, cups spilling over, and straps slipping down are not the makings of a sleek silhouette. Since fit, style, and comfort are intimately entwined, it’s all-important to know your true bra size. To dial up the lovely in your favorite looks – and make the most of your curves – the Chantelle experts in France shared the skinny on all things fit-related. If you’re between professional fittings, put your bras to the test with Chantelle's flawless fit checklist.