I logged into my friends facebook account?

[.]

So my bestfriend gave me her facebook password a while back because she trusts me to not go through her messages or anything like that. Today I went on it, not sure why but anyway I just did. She's at school today and I'm at home, while I was on her facebook account someone sent a message saying "shouldn't you be at school?"
I don't know what to do now because she'll know I've been on her account and she'll see the message when she gets home, but if I delete that message the other girl who sent it might say something to her about it.
What should I do? I'm feeling very guilty at the moment.. I know I shouldn't have done it.

[meena]

just dont do anything act normal... send a message to her facebook through yours then she will see the other message and just think nothing of it

[Hammer]

You should've made sure you were showing as 'offline'...

[WildChild123]

I know this sounds really cheesy, but just be honest with her. Therefore she will know that you were not lying, tell her you were curious. As friends though you should respect each others privacy thought. Just be honest and tell her the right thing.

[Rollefsen]

Tell her that you were gonna leave her a cute message, but then someone said something in chat, and you accedently saw it.

[Alexis]

just tell them it you she gave you the password its not like your doing any thing wrong. hope this helps :]