Am I overreacting?

tiara

So my daughter is 7 weeks today. And she has been cluster feeding since we got home from shopping. My aunt suggested to my mother to put rice in her bottle, and my mom did it. Now here’s the thing, my mom, from the start, has known that I didn’t want my daughter to have any rice or cereal until i knew she was ready. She first tried to say that she didn’t put any in her bottle than 20 mins later, said yeah she did. She has now thrown up, and been fussing ever since than and my mother had came in her room, and said “look I’m throwing it away” and than slammed her door, like I did something wrong. Granted we do have visitors, and granted I did break down and fussed at my mother for doing what she did. And now it seems everyone is mad at me. Where did I go wrong?