IS MY FREIND BULLYING ME? Help

So I'll list the things me "BFF" has done to me...
1. Planning on getting with my first crush 
2. Told my kinda boyfriend that she likes him
3. Makes fun of my looks and skinny shames me even tho she knows I have anemia and eating problems 
4. Talks shit about me behind my back and laughs at me with her older friends 
5. Sends nudes to all my guy friends to get them to like her 
6. Made all my friends go with her at lunch time and leave me sitting by myself 
7. Never is ther for me when I'm upset 
Leave comments down below, I really need to know if I should do sownthifn about it!