Kristin Elizabeth Cavallari is an American actress and television personality best know for her roles on MTV reality television programs 'Laguna Beach' and its spin-off 'The Hills'
In 2008 she had a supporting role as Summer in Spring Breakdown alongside Amy Poehler. The film was released straight-to-DVD on June 2, 2009, and received mixed reviews. She also starred in the independent film Green Flash alongside Torrey DeVitto. In 2009 she starred in the independent American high school comedy film, Wild Cherry, as Trish, which also starred Rumer Willis. She also starred in the straight-to-DVD film, National Lampoon's Van Wilder: Freshman Year, as Kaitlyn. The film was released July 14, 2009, to mixed to negative reviews.
Kristin is engaged to Chicago Bears quarterback Jay Cutler.