go to r/vindicta. it's an extremely helpful sub with women who considered themselves to be average or ugly that share their progress and helpful information on becoming more beautiful/going on the path to becoming a stacy
i shortened the link since it was so long, but i'm assuming since you hold european features this guide will fit you. i hope you will appreciate the culture and appearance you have instead of envying other ethnicities and feel that all hope is lost. i felt similar to how you feel when i was younger so i understand, but frankly i feel like you need to grow out of that mindset.
this video talks about the importance of health, and foods that should be avoided in improving your diet. the food you eat can also improve your looks or worsen them. and i found it quite helpful, but i think some things about food might not apply since food here in burgerland is so awful.