With the huge movement of accepting all body images, people are more encouraging than ever to be yourself. This comes with the fact that, even though people can be amazingly accepting, it doesn't have to mean everyone is happy with how they look in the moment.
People can appreciate being welcomed and still want to change certain aspects of their appearance. They could be plus size, get complimented on how great they look, and still want to lose a few pounds. A person could have a large nose, have people in their ear telling them they don't need to change, but still want surgery anyway. They shouldn't be shamed for this. Acceptance of your body only happens when you are happy, not when other people tell you that you look great how you are.
It certainly helps not to be body shamed or have people tell you they love you as you are now, but it is only one part that contributes to a person's self-esteem.
People have to be comfortable in their own skin.
They should be able to strut down the street and say "adios" to anyone who has a negative comment.
Today, communities are rallying around anyone who is perceived as "different" or not traditionally beautiful. Nevertheless, sometimes it truly is in one ear and out the other. People can give you advice, tell you how beautiful you look, but it only matters what you think about yourself and how you feel. In the end, when you feel good, they are going to tell you that you're even more beautiful now than before because people can tell when someone has a happy, confident aura.