Today in Tweet Beat, Michael Jackson's questionably ethical dermatologist Dr. Arnold Klein has been made a consultant for the FDA. Plus, Eric Roberts talks about why he got off the pot.

Today in Tweet Beat, Jim Carrey and Jenny McCarthy are "grateful" but not dating, Diablo Cody is pregs, and Michael Jackson's dermatologist claims that MJ didn't like to shoot up.

• Did Rosie O'Donnell try to romance Angelina Jolie? She told Howard Stern on his radio show:

Today in Tweet Beat, Martha Stewart does some marketing research, Lisa Rinna is afraid of camel toe, Robin Antin is afraid of buns, and Michael Jackson's dermatologist invites you to an open bar.

• Guess what? Lindsay Lohan borrowed $2 million worth of jewels from Beverly Hills store XIV Karats and never returned them.

• Is Brad Pitt done with showbiz? It almost seems like he's dropping hints:

• Katherine Heigl and Gerard Butler were forced to evacuate the Four Seasons in Los Angeles during a publicity tour for their film, The Ugly Truth, when a bomb threat was called into the hotel. [People]

Many weeks, we come across stupid stuff on TV that might fall through the cracks. In Mixed Bag, we collect those odds and ends, for a multimedia compilation of pop culture crap.

• Yesterday afternoon the police were called to Mischa Barton's home to help with a "medical issue." Now a source says she's been placed under involuntary psychiatric hold.

• In Rolling Stone's upcoming Michael Jackson tribute issue, Brooke Shield reveals, "There were times when he would ask me to marry him..."