Cover Girls: Paris Hilton and Nicole Richie on Harper's Bazaar

The reality show stars and reunited best friends grace the cover of the June issue of Harper's Bazaar magazine with their dogs (of course!). Inside, they talk about their falling out last year:

There was no reason why we were fighting; it was just silly," says Paris. "It made me sadder than any breakup with a boyfriend. It was the worst feeling ever."

Well, probably heading off to jail in a few weeks might feel a little worse...