The closest thing I have to an 'it' bag is this Botkier, they were pretty popular in their time. It's really small and I put a new strap on it so I can wear it as a crossbody. It probably looks pretty dated but I'll wear it all the time. My daughter thinks its ugly and says it looks like it has boobs. It sorta does.
This bag reminds me of Alexander Wang's. I think its pretty cool

Btw, I remember Botkier, what ever happened to that brand? It was popular but it died down as fast as it popped onto the scene.