Kristin Cavallari was filming a scene for The Hills on the beach.

Kristin Cavallari is set to replace Lauren Conrad on The Hills, but more importantly she was photographed looking hot in a tiny blue bikini.

The most beautiful women in the world showed up to the Star Trek premier.

Photos of former reality TV star Kristin Cavallari looking great in Miami Beach in a sky blue bikini.

Former reality TV star Kristin Cavallari showed up to a Christmas celebration at The Grove in Los Angeles and looked gorgeous in a red dress.

Former Laguna Beach star Kristin Cavallari showed up to the Fontainebleau Grand Opening in Miami Beach and looked simple but sexy.

Kristin Cavallari posing for pictures on the red carpet at the Max Payne movie premiere on October 13th, 2008.