This week, Hayden Panettiere gets fitted for a new "Nashville" wig, Chrissy Teigen shares a super cute snap from her honeymoon with hubby John Legend and Britney Spears poses in that infamous helicopter .... before getting sick!

Also, Taylor Hanson does his best Indiana Jones impression, Khloe Kardashian shows Lamar Odom what he's missing in a sexy picture with Katy Perry and Aaron Carter confesses his love for Hilary Duff!

And, Justin Beiber needs a nap -- like yesterday --  Behati Prinsloo looks the worst we've ever seen her after a Victoria's Secret shoot and 50 Cent hangs with Mike Tyson ... and wants to fight!

Click "Launch Gallery" above to see these stars' personal pics and even more cute candids in this week's best celebrity TwitPics!

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