How can I change my butt shape with lipo? (Photo)

In your case removing fat from AROUND your butt, especially the lower back and flank areas, would help tremendously. If you wanted to add a small amount of fat centrally to give more projection that would help as well.

Thank you for your question and photo. Based on a single view photo it is difficult to give more focused advise. VASER lipo 360 degrees will give you the best body reshaping and will improve your buttock shape greatly. In this photo, your buttock starts at the buttock crease and blends into your midback without any anatomic separation. As a Total Definer surgeon, I specialize in 3D body transformations based on underlying bony and muscle anatomy. Any piecemeal liposuction technique will lead to suboptimal results.
See a board certified plastic surgeon with extensive experience in advanced body sculpting techniques for an in person consultation/evaluation. Good luck.
See attached web reference.

There is no doubt that combination of liposuction of lower back, flanks and thighs, associated with fat grafting/shaping of buttocks and hips, will make significant change in the areas of concern. Only on the basis of in person consultation you can find more details and important facts about these procedures. Good luck.