The Week in Celeb Twitpics (PHOTOS)

Jason on 'Muppets' Set!
Jason Segel & Amy Adams bust a move.
If you’ve had an exciting weekend on twitter, we’re willing to bet the addition of Jason Segel to the Twittersphere had something to do with it. Upon finally opening his own Twitter account, Segel treated his new followers to a bonus photo of himself trying to get verified!

But that’s not all we found making the rounds through the many celebrity photos! Glee stars Lea Michele and Cory Monteith, along with Darren Criss and newcomer Grant Gustin also had their own behind-the-scenes photos to share with us.

Who’s the teen superstar that shared a stunning photo at her recent hosting gig? Which supernatural star got into the holiday spirit? Check out the photos to find out!

Speaking of holidays, we’ve also gathered the best celebrity Halloween costumes of this year. Take a look below.

Follow Celebuzz on Twitter, Tumblr and Facebook for the latest in entertainment news and photos!