added some fun teenage flair to her hair when she dyed her tips pink for "X Factor" auditions
in Oakland, Calif. earlier this month (June). Just weeks before, reality TV star Lauren Conrad proved pink isn't just for the kiddies. She debuted her own eye-popping ponytail at her book signing in Los Angeles.
So, who do you think wore this hot new tress trend best -- Demi or Lauren? Cast your vote in our poll and click to see the next Who Wore It Better face-off below!