Need some help!!!!

Chelsie
I have a question and hope to get some help... You would think I would know by now after two kids but this never happened to me before. So I took a test last month and got a, what I thought was a faint line after being a week late, but a few days later got my period which was not like I usually get it was lighter. Well I just took a test this morning and it is clearly positive which I am super excited/nervous/shaking since its my rainbow baby.. My question is was it really positive last month which makes me further along or not? Should I just go by this test I took this morning? 
This is the one from last month....
This is this morning. 😍
I am just curious cause my body has been very weird the last few months.