What should i do about my mom?

look to sum it up, my mom is ttly pissed at me. ok just cuz i have been begging 4 a new phone. Then today she comes home with these fab clothes but they dnt fit me. so i ked can she return them and use the money on a new cell. cuz if u dd up the $ it wuz bout 400$ no jk. help me plz!