model legs shorts dog beach malibu sunglasses flip flops lease Opinionated supermodel Janice Dickinson was in a smiling mood when we caught her taking her dog for a walk on the beach yesterday.

And though she may have been sweet on Sunday, she was definitely tart on Friday, when she called the deceased MJ a "very naughty guy."

That is one big and beautiful lab, but who's the bigger bitch? Janice or her dog?