Today in Tweet Beat, celebs like Eli Roth, Pauly Shore and Big Boi are psyched to be at Comic-Con. Meanwhile, Josh Groban was not psyched to run into Michael Lohan at the deli.

Corey Haim, 38, was found dead today of an apparent drug overdose. A self-described "chronic relapser," Haim made repeated attempts, over the past two decades, to reestablish his once promising career by claiming he was sober, when he clearly wasn't.

• A photo has surfaced of Jessica Simpson out with Billy Corgan of the Smashing Pumpkins on Friday night. A source says they're "officially dating... she has fallen hard and is smitten."

• Angelina Jolie has a "secret family" she's "kept hidden for years."

• Jessica Biel is "the most dangerous celebrity to search in cyberspace," according to security software firm McAfee.

Today in Tweet Beat, Yoko prefers snail mail, Tyra makes an important announcement about her real hair, Sherri Shepherd is missing a box of fake hair, and someone hired Pauly Shore to act in something.

• Surprise, surprise: Heidi Montag and Spencer Pratt are a "complete nightmare" for the people working on the Miss Universe pageant in the Bahamas, where Heidi is supposed to perform on Sunday night. An insider says:

• Harry Potter starRupert Grint recently came down with a "mild" case of the swine flu, but has since recovered, thanks to a quick healing potion whipped up by Professor Snape a few days of rest.

[Los Angeles, CA, December 24. Image via INF.]

• Avril Lavigne is pregnant! Maybe! [News.com.au]
  
• Janet Jackson has been asking designers like Badgley Mischka for bridal gown samples! Is she going to marry that gremlin Jermaine Dupri? [Page Six]
  
• Janet poses as brother Michael from Off The Wall on the new cover of Vibe. [Concrete Loop]
  
• Oooooh, George Clooney on the cover …