What to do

For the last 5 years i have peddled coffee for one of the largest coffee companies and i have never had a problem. I find myself a very delicate situation, i have recently come into some very hurtful news. a co worker and dear friend of my called me on the phone in the middle of grocery shopping and unleashed all of this news on me about my manger. I was told that my manager was in a very strange mood and was trying to comfort her and in this conversation she told her a lot of very unprofessional things. She told her how she was glad on of the partners was almost gone and that she couldn't stand her. Then she started on me saying how she couldn't stand my voice or my face and that i was so annoying and that when i am not there things go smoothly. She also went on to say that she hates when i show her or people pictures of my 8 month old son and that it annoys her. Apparently i am the root of all the drama at the store and that everyone has a problem with me and she wants to transfer me out of her store. When i caught wind of all of the things she was saying about me i was floored i couldn't believe what i was hearing. This is the same manager who is training me for an ASM position and i work really closely with her all of the time and not once has she ever displayed some sort of hatred towards me. I am absolutely hurt by all of this and i don't really know what to do at this point. I want to call human resources on her and complain but i am not sure how this will all turn out. Upper management usually sticks up for each other. Maybe i'll sleep on it for one more day.