Ju Ju Be bags?

I'm looking for a new bag to carry around during the day. It needs to live up to wear and tear as I carry around diapers, wipes, snacks, umbrellas, water bottles, etc. I've already spent a lot of time carrying around a nylon Longchamp, so I'd like new suggestions.. anything unique out there that's still fashionable? Goyard and Louis Vuitton is everywhere and I'd prefer something that I won't feel too bad if milk spills all over it.

I'd really appreciate suggestions!!