Someone asked about this on MUA and now I am curious...
Reminds me of Marc by Marc Jacobs.
I would say MJ too - awesome bag! Hopefully we find out who it's by. I just saw a picture of her yesterday w/a heavenly Chanel luxury bowler in black. She has fabulous bag taste.
Someone posted somewhere else that it looks like a Gustto bag. I have seen similar ones by them but not this one.
Here is a link to some on Shopbop and it does resemble some of these:
Wow, that puppy is cute! Was it supposed to match the bag too? LOL.