Don't let the door hit you on the way out, Lauren Conrad.
Making a grand, staged entrance at Spencer Pratt and Heidi Montag's wedding, Kristin Cavallari was introduced as Lauren's replacement on The Hills Sunday.
In mere minutes of screen time, LC's former Laguna Beach rival has already left her mark and positioned herself as the star of the show's upcoming season.
Kristin Cavallari is even billed as such in a new trailer for future Hills episodes, when we will see her befriend Stacie the Bartender (yes, Spencer's girl), flirt with Justin-Bobby of all people, and loudly declare to someone, “You f%&ked with the wrong girl!”
As the promo itself proclaims, "The Bitch is Back" ...