Tiffany dress

The confusing age sizes: age 11-12, chest length: 12.5, chest circumference: 28, waist circumference: 24, shoulders: 11, dress length: 40. Age 12-13, chest length: 13, chest circumference: 30, waist circumference: 24, shoulders: 12, dress length: 42. Age 13-14, chest length: 13.5, chest circumference: 32, waist circumference: 25, shoulders: 13, dress length: 44. Age 15-14, chest length: 14, chest circumference: 34, waist circumference: 26, shoulders: 14, dress length: 46.