"If you asked my real friends, they would say I'm definitely not a bitch."

Those words were uttered by Kristin Cavallari, the "bad girl" from The Hills, who hosted a pool party at Liquid Pool Lounge in Las Vegas on Saturday. The reality star, who was wearing only an itsy bitsy bikini and a see-through top (and yes, those are hands over her boobs) claims she's completely different than the person she portrays on the show.

Right. And why are we supposed to believe you?

Read Is Kristin Cavallari Wasting Away?

Cavallari says that after The Hills is over with, she'll be doing more charity work with One Kid One World. "I was just in El Salvador, and we rebuilt this whole school," she said. "It takes so little time, but it impacts these people for the rest of their lives."

OK, well that's definitely a step in the right direction. But if you're really this nice, charitable person in real life, why the front? Why can't you be that person on TV as well?

Or, is that the spin-off reality show you have in the works, "Kristin: The Reformed Bitch"? (People)

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