What Surgery Will Bring My Breasts Closer Together?

Thank you for the photos. Your breasts sit wide apart on your rib cage. From the photos I cannot appreciate if you have a prominent breast bone or your ribs tend to slope downward laterally. To achieve better cleavage, you can have an augmentation, but I'm afraid that going up to a C cup only, will not achieve your goal. One can do additional fat grafts to the cleavage area at the same time, prior or after the augmentation. Your nipple/areolar complexes are placed wide apart and you can expect further outward rotation especially if one wants to keep the implants more medial to enhance the cleavage. You need to see a board certified plastic surgeon for an in person consultation. A board certified plastic surgeon can apply and be accepted for membership in ASPS, but ASPS is not a certifying organization. Good luck.

Cleavage in some respects is limited by your overall anatomy.  Placing implants will improve it somewhat.