Need Advice

Hello everyone this is my first reddit post I am seeking for help I am feeling very depresed I have lost interest in everything. I had a female bestfriend I confessed her that I liked her She rejected me, I told her not to say this thing to anyone she agreed. Slowly slowly I I distanced her as I was not comfortable talking to her. But as soon as I stopped talking to her, She told her all the friends (common friends) about my confession this I got to know day before yesterday all these days these friends were with me. I don't know what they had been thinking about me. I am feeling very ashamed now how can I face all my friends when she is around. . She has Slandered me.I don't know what to do. Please help me out .