From these it seems possible that she could have small breast implants, but it is more likely that she has tuberous breasts. There seems to be more tuberous breast change in her left breast than her right.
Tuberous breasts are kinda like windsocks and often have less development on the under surface below the nipple. Breast implants are frequently part of the fix for this problem. The nipple position and breast shape are suggestive in these new images.