It was truly the end of an era on Tuesday night, where the stars of the hit MTV television show joined together for The Hills Finale at the Roosevelt Hotel in Los Angeles. Known for their competitive nature on-and-off screen, the sexy reality show style sirens made no exception for this red carpet, all rocking babelicious dresses.  While Kristin and Lo opted for neutral shades, the rest of the reality show babes were dressed in living color.

Kristin Cavallari shimmered in an embellished, one-shouldered Zuhair Murad Spring 2010 mini, which looked smashing against her SoCal summer tan.  The sexy number was constructed out of chiffon, sequins and lace and totally flattered her flawless bod.  We weren’t crazy about Lo Bosworth’s getup. LC’s bff w