You aren't pregnant. You took plan b and are on birth control you have your period.

I know but it's just a really weak period and it scares me cause I've read on the internet that if you have a spotting period you could still be pregnant

Is this the time when your normal period would come?

You are on birth control which is 99% effective. Then you took plan b (more hormones). This can cause your period to have some weird issues.

If you still feel you are pregnant, take a pregnancy test.

i was going to say the same thing.
This same situation happened to my best friend, and i even told her what Ingi said, there are alot more hormones in your body now because you took plan B while taking birth control, which is why your period is lighter than normal, the extra hormones kind of mess with your body a little bit.
You take birth control religiously you said, which means theres even less of a chance of pregnancy, plus the plan b terminates any pregnancy with in 72hours, and you took yours an hour after. Your not pregnant, just having a weird period issue due to extra hormones in your body.

Plan B can cause weird weird periods. It's not recommended that you take Plan B while you are on birth control if you have been taking your birth control on time. You are 99% protected with birth control pills, even if he cums inside of you every time. 99% effective does not mean that 1 out of every 100 times you have sex it doesn't work; it actually means that 1 out of every 100 women over a full YEAR of taking the pill fall pregnant. Your chances of pregnancy are very very low. Taking plan b ontop of birth control can mess with your hormones, make you feel sick, and do strange things to your period. It's great you are doing your best to stay protected though! I would really not worry about pregnancy, but if it would help to ease your mind you can always buy a test.

You guys are really helping to ease my mind thank you so much I'm just not ready to have a kid...I'm just so scared

Well you are doing the right things to prevent one.
Taking birth control everyday religiously helps that out alot.
There's nothing to be scared about, your taking the right precautions so you dont have a kid so young. And being extra careful[taking plan b] definately would have made it even more unlikely a pregnancy would occur.

You can always insist (I would) on condoms also! That will provide protection against pregnancy and STDs.

and make pregnancy ALOT more unlikely to happen!

I was always very scared about pregnancy when I was on the shot, so my boyfriend still always wore a condom. It made me feel alot safer and i think it might make you feel safer too.