Are there really fairies?

So, is it possible that there is a potty training fairy and she waved her magic wand over my house on the night of Meredith's 3rd birthday? It is the craziest thing, she woke up on Tuesday and told Chris she wanted to wear panties! She has NEVER asked to wear them and when we did put them on her in the past, it just didn't click at all that it wasn't a diaper. She really wanted them, so he put them on her and took her to daycare where she had one accident, but did really well with them on all day. She had one more accident at home last night, but she made it more than she didn't. We still put a pullup on her at bedtime and she actually seemed semi-bothered about it! Holy cow, is there a magical switch that turns on at 3?? It is by far entirely too early to call it, but I think we are actually really on our way now! People kept telling me that it just seems to happen all of the sudden and I think we may FINALLY be on the verge! Hallelujah!