Lauren Conrad: Over 'The Hills'

See ya, Heidi and Spencer! Lauren Conrad is finally exiting The Hills. "My biggest thing with the show was that I wanted to walk away from it while it’s still a great thing," she tells Seventeen magazine. "I always want to remember it that way. I gave MTV a deadline and said, ‘This is as long as I can do it and stay sane.’ ” The show had among the most highly rated for MTV. No word yet on whether any of her remaining Hills co-stars will get their own series from