Kristin Cavallari arrives to host a pool party at the Liquid Pool Lounge in Las Vegas, Nevada.

Kristin looks amazing in a black bikini, a sheer top and chunky heels.

Kristin shows off her back side by the pool at the Liquid Pool Lounge.

Kristin is interviewed on the arrivals carpet.

Kristin Cavallari knows how to stand out in a crowd!