Today in Tweet Beat, celebs like Joan Rivers, Judith Regan and Michael McKean chime in on Arnold's scandal. Plus, Ke$ha is working on making a necklace out of fans' teeth.

According to court documents, Slade Smiley, boyfriend of Real Housewives of Orange County star Gretchen Rossi, owes $138,857.64 in unpaid child support for his 10-year-old son Grayson who suffers from a rare form of brain cancer leaving the child's mother strapped with insurmountable medical bills, exceeding $1…

Today in Tweet Beat, everyone—from Snooki to Snoop—is putting Japan in their prayers. Do all these people actually even pray? Or is that something that they just think they should say. Also, some celebs aren't letting this kind of tweet stop them from also self-promoting.

Salt, the Angelina-As-Sexy-Spy vehicle, opened last night at the fabled Grauman's Chinese Theatre. But how any of the stars managed to sit through a two-hour movie in dresses this tight is a question for the ages. Maybe they stand?

• Nicolette Sheridan is suing her former employer, Desperate Housewives creator Marc Cherry, claiming he physically abused her on the set.

• Angelina Jolie and Brad Pitt have issued a statement, promising to help Wyclef Jean in relief efforts for those affected by the earthquake in Haiti. Angie and Brad say:

Today in Tweet Beat, The Situation wants some fist pumps, as does Nicole Richie, and Kelly Bensimon wants us all to know—via Twitter—that she has integrity.

Today in Tweet Beat, Lindsay thinks she's sold a show she's written, Ryan Seacrest is psyched about being taller than Kim Kardashian (when she's not wearing heels), and Simon Pegg meets Mariah Carey.

• Grey's Anatomy star T.R. Knight was in a three-car crash yesterday. He was not injured, but two other people were taken to the hospital by ambulance. [LA Times]

• Too bad you missed Britney's Tampa concert: At the end of one number, she announced, "My pussy's hanging out." Why, yes, there is video. [TMZ]