Cute bag but...
hmm... I'm always concerned when ppl don't protect their dogs with a leash...
possibly marc jacobs, but don't take my word!
cute bag...even cuter puppy! i was going to guess marc jacobs too but i've not seen that style
i don't recognize the black bag, but the pink looks like a mbmj bag.
Closest I could find is:
(I take that back - you're talking about the stud back not the tote ;x)