Runs large, you may need to select a size down from your normal size, please see size chart below-
Size 8 (bust to 36, waist to 28, hips to 38)
Size 10 (bust to 38, waist to 30, hips to 40)
Size 12 (bust to 40, waist to 32, hips to 42)
Size 14 (bust to 42, waist to 34, hips to 44)
Size 16 (bust to 44, waist to 36, hips to 46)
Size 18, bust to 46, waist to 38, hips to 48)