Whether it’s an everyday bra that literally does the heavy lifting, a special occasion bra that you need to do a specific job, or a sexy little number you’ll wear for 30 minutes max, your bra should lift your breasts and your mood. And wearing the right bra has its perks—you can look up to 10 lbs slimmer! Here’s how to find your true size, a great fit, and the best bra for every occasion.