I'm not feeling confident. 😐

So lately I just been so down in myself and like don't have the confident of my own body. I just hate the way I look like, even though people say "it's okay" but I just really hate it. I get jealous sometimes when there's like other people complimenting other girls who is prettier than me and I just get "ok". I really don't know how to build my confident. Like my parents won't allow me to wear make up and all but I'm 16, so like I just need help with building my self esteem high and  I have tried asking other people in my school like one of the school nurse but I just feel embarrassed to ask anyone else who can help me because I'm just one of those people who just scared to ask in person kind of thing. If anyone can give me tips or something like that please share on the comments 🙂