The cameo is one of television's oldest tricks to drum-up interest for a show. But not all cameos are created equal. Inside, a list of the kinds of cameos, why they exist, and just how effective they are.

If this catches on, half of Hollywood's females will fall into poverty. Casting for their fourth Pirates of the Caribbean, Disney specifies that fake breasts are not permitted, and actresses will be subjected to pre-shoot jiggle tests to check.

Jesse James' mistress did a sexy Nazi photo shoot and reportedly has White Power mementos on her skin and in her home. His ex-wife is married to a reported skinhead. How many neo-Nazis can you date without being one?

Heather Cassils is the awesome-looking woman who plays Lady Gaga's prison girlfriend in the "Telephone" video. But she's also a well-known artist in her own right. And she loved making out with Gaga.

In a single hour, Macy's sold 72,000 bottles of Beyonce's new perfume yesterday. If you think that's impressive, check out all the other stuff she uses her famous face to sell. A portrait of the artist as a commodity.

Martha Stewart's (former) friend Mariana Pasternak has just released her backstabby tell-all book The Best of Friends: Martha and Me. We have culled some of its bitchy allegations for your reading pleasure! Today: Martha drives dangerously, is insane about animals.

Last night's episode was all about people reaching out for one another. Unrequited lovers reaching for a warm body. Mothers reaching for sons. Daughters for fathers. Jenny for a sack of pills.

Kirstie Alley was on Today this morning hawking Organic Liaison, her weight-loss rip-off. Asked if all the (true) claims about the link between Organic Liaisons and Scientology are true, which they are, she said, "Bullshit."

There are times when the man pictured on the front page of the paper is a total hottie. Read further and you learn he's a terrorist or murderer. Here are some crushes that come with a side serving of guilt.

CNN reported today that MTV has decided to ban the airing of the music video for Lady Gaga and Beyoncé's "Telephone" on its network. The most shocking thing about this is that MTV still believes its decision matters. Video inside.

Don Draper.

Yele Haiti, the sketchy foundation that Wyclef Jean founded to help the Haitian people—which received millions in the outpouring of generosity following the wake of the earthquake there—paid Jean's mistress and personal assistant $105,000 in 2008.

Did you know that Scott Brown—the new star Republican Senator—was accused of harassing a female campaign worker in 1998? We have the documents to prove it. Did the Democrats blow an opportunity to keep their 60th Senate seat?

Strollers are for savages who want to chop their babies' fingers off. Trendy parents today are all about the body-hugging baby slings. Which do something much worse.

Stupid lawsuits are filed every day, and Lindsay Lohan does stupid things every day. But is she really behind the E*Trade lawsuit that bears her name?

Could the show that has redefined science-fiction for the masses be the harbinger of what television-drama will become? While flashbacks and flashforwards gave the audience insight into character's lives, the flashsideways are what could make for cutting edge television drama.

Corey Haim is not the first—or the last—former child star who became a drug addict. Some make a full recovery. Many, sadly, do not.

A judge ordered Andrew Young and his wife Cheri to serve up to 75 days in jail for withholding from the court secret copies of a John Edwards sex tape and unknown "other items" that we don't want to contemplate.

If you were like me, last night you were watching the show with plenty of questions. Why so long? Why so bad? Who is that weird red-haired lady crashing the stage? Well, we found some answers and even more questions.

Twice, actually. Admittedly for about seven minutes in total. But it still counts as the first intrusion in 15 years. Here's how I assumed various guises, bypassed half a dozen checkpoints, and ended up making chitchat with Rupert Murdoch.