Being beautiful is important to both men and women. However, people see beauty as different things, 
and you will get as many answers as the people you ask. Even with all this difference in answers, everyone says that a beautiful body is part of the reason why people see you beautiful.
For both men and women, this can easily be solved by going to the gym and practicing one sport or another. Just a few people are blessed with beautiful and aesthetic bodies, so the rest of us have to work a little to get there.
In the end, the truth is that in order to have a beautiful body, you can practice fitness or bodybuilding, depending on the goals that you have set for yourself.