Sneak peak from Sunday night's new episode: When the sisters Kardashian opt for a night out in the quiet village of Miami, booze-swilling Kim upchucks upstages Khloé and Kourtney.

Party-girl Kim dances on the bar, pours down the shots, slurs like a sailor on 24-hour shore leave and begs for more. "This is not the good side of Kim that we know and love," Kourtney reveals.

We, however, are quite fond of this side of Kim. Until the puking begins.

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Get all the Kardashian pics, vids and news here, and catch more of the sisters spicing up South Beach Sundays at 10/9c.