Celebrity Twitter Chatter: Dianna Agron, Jared Leto, Jessica Biel and More

Dianna's Pink 'Do!
Dianna Agron dyes her hair for 'Glee.'
We’ve rounded up some of the best and most insightful celebrity tweets from the past 24 hours.

Dianna Agron looking gorgeous on set, Jared Leto has some famous friends, Jessica Biel’s wish, plus more fascinating celeb twitter posts and words of wisdom below.