I'm doing a lot of chin-ups to get that nice v-shape. It's real heavy doing chin-ups but I can do 4 of them now :) I train mostly with a red rubber band that takes of some of the weight so I can do more reps. It's really important to warm up the shoulders before doing chin-ups to prevent injury.
Lift your breasts naturally! Try these chest and back strengthening exercises for women to help tone, firm and lift your chest and improve posture. http://www.spotebi.com/workout-routines/chest-back-strengthening-exercises-lean-strong-toned/