Christina Auguilera Tweets Sexy Pic & More! [Celebrity Twitterverse]

Emma Watson goes glam for The Perks Of Being A Wallflower promotions, Justin Bieber gets ready for tour, Christina Aguilera promotes the new season of The Voice, and more.

Launch the gallery to check out the celebrity Twitter pics and tweets!

Follow Socialite Life on Facebook on Twitter and Tumblr. for the latest celebrity news and photos!