Lauren Conrad relives her party days on Hollywood night out with The Hills co-stars

She's come a long way since her days on The Hills.But it was just like old times last night as Lauren Conrad relived her youth with a night out with her former co-stars at swanky LA restaurant, Il Sole.The Hills star looked impeccably polished in a floaty mini dress, tuxedo jacket, opaque tights and black stilettos at the Who What Wear event on Thursday night.She was joined by fellow Hills