The star of Laguna Beach and The Hills has really come into her own.

Lauren Conrad's one-time BFF, and co-star on the first and second seasons of MTV's The Hills.

Lauren Conrad and Heidi Montag in a promotional shot for MTV's reality TV show hit, The Hills.

She's not involved in any such thing.

One of the hottest couples on reality TV.

So says Spencer Pratt. About Spencer Pratt.

Lauren Conrad and Jason Wahler, stars of Laguna Beach and The Hills.

Heidi Montag and Spencer Pratt have become household names thanks to Season 2 of The Hills.

The before and after pictures of Heidi Montag tell it all, folks.

The before and after pictures of Heidi Montag tell it all, folks.

Lauren Conrad is a fan favorite.

Whitney Port, Audrina Patridge, Lauren Conrad and Heidi Montag star in MTV's The Hills. It's one of the highest-rated reality shows out there.