Oh no!

For the last week or so the little girl I've been baby-sitting for a couple years has started going to the bathroom in her pants...and shes never really done that in the past. I've been having a hard time with her every time I'm there. I'm having to check and see if she's gone, and keep making her get up and go even if she says she doesn't have to.But in between times, she's already gone in her pants. I really don't know what to do, so I called my mom and she wasn't able to get to the phone, so I called Sis. Mandy to ask her what she would do if Abigail went potty in her pants. The first thing Mandy said was, "well, did you pray about it?" I guess I've never really thought about doing that for something so little like that. I was getting frustrated that this kept happening and trying not to show it when I was, and couldn't think of anything new to say to the girl, but "that makes me really sad when you do that!"But when Mandy said that it made me cringe and think, is God looking at me shaking his head wondering why I didn't go to HIM in the first place? I went to someone else before I even thought to go to Him. I guess sometime I feel like little things like that aren't important enough to answer, but sitting here thinking about it, If she were my child and she was doing this over and over again that I'd probably be on my knees praying about that, so why not be praying for this little girl. Any body else have suggestions on how to get a 6 year old to stop going to the bathroom in their pants? I really don't want to embarrass her too badly because I don't want her alway remembering me as the baby-sitter that was mean and embarrassed her about going potty. But maybe a little embarrassment will help with it? Not really sure HOW to go about this.
Mandy also said, that i could always bring a little surprise for her, like a piece of candy or a book from the library to look at, but only give it to her at the end of the day IF she didn't potty her pants. So I might try it. I think part of the reason why she's doing it is because she just started school,and her moms best friend just passed away, and she was pretty close to the lady. So, i'm going to assume thats the reason why this is all happening all of a sudden.
Watching these kids are teaching me alot about what its going to be like having my own kids..I know i'm not there ALL the time with them, but I'm with them 24 hours or more a week. Its kinda nice seeing what I need to work on before I have kids of my own. Where I need more patience,and where I need to be more firm and not to let any of my frustration show in the way i talk to them or let it show in my facial expressions.