We spend a lot of time focusing on boosting the appearance of what we see in the mirror, but what about the rearview? You may have noticed that age, weight fluctuations, and sun damage can diminish the shape of even the perkiest of behinds. And then there are those that were not so perky to begin with. While there are well-known surgical solutions to sculpting a curvier butt, the risk, downtime, and cost may have you questioning whether it would be worth it.