''I was just giving my opinion''. First of all,There's a difference in giving your opinion and being disrespectful/mean. You can share your opinion about clothes,makeup looks and songs. But it'snot an opinion if you talk bad about how someone else looks. You can't say that her face or body is ugly,that's not an opinion,that's mean. Everyone should feel comfortable about how they look.
Every human being is beautiful. And if you judge people like this,I would rather be ''ugly'' than be like you.