Who sings this country song?

Ok I don't know the words but I know that in the Video the singer is selling all she has and saying she does not need it. Also so a homeless mom and daughter walk by and the daughter sees something she likes but can't have it. A guy in a truck pulls up then the singer tells him to wait then she goes over gives the girl what she liked and gives the mom the money she made. because she did not need it.