Kristin Cavallari in Malibu.
Kristin Cavallari is an American reality television celebrity and actress.
She has been involved in the "Until There's a Cure" public service advertising campaign to raise awareness and funds for AIDS and HIV research and vaccine development.In 2006, Cavallari appeared in ads for PETA, and has also appeared as a celebrity spokesperson for "We Are Ellis Island", a campaign for the restoration of historic buildings on Ellis Island.
