Sideshow:

Popular conservative pundit

Bill O'Reilly

says he is leaving his radio show,

The Radio Factor

, which is carried on more than 400 stations.

O'Reilly, who will retain his TV show on the Fox News Channel,

The O'Reilly Factor

, said his workload was too heavy.

"I can no longer give both TV and radio the time they deserve," he said in a statement.

Rumors are rife that

Jennifer Lopez

,

Marc Anthony

, and their 8-month-old twins are moving to Long Island, N.Y., the Los Angeles Times says. J-Lo and Marc, who have been spotted on the Island recently, are selling their French farmhouse estate in Bel Air, Calif. At 7,357 square feet, with four bedrooms and 51/2 bathrooms, the house is listed for $8.5 million.

Fashion designer

Kai Milla

, known to some as the wife of

Stevie Wonder

, has sent a series of sketches to

Michelle Obama

, becoming the gazillionth designer angling to make Obama's inauguration gowns. Kai tells

Access Hollywood

that Obama praised her designs at the Democratic convention in August.

"And I said, 'Well, thanks so much, because I would love to design for you,' " Kai says.

Aretha Franklin

will headline a free tribute concert to

the Rev. Dr. Martin Luther King Jr.

on Jan. 19, the national holiday in his honor, at the John F. Kennedy Center for the Performing Arts in Washington.

Sean "P. Diddy" Combs

says he's ready to play the first black James Bond. His Diddyness, who is promoting his new scent, I Am King (of course he is), tells Online mag INF Daily that he embodies 007 in a super-smooth, high-budget advertising featurette he shot for the fragrance.

Dancing With the Stars

champ

Brooke Burke

is doing her share to help U.S. troops by participating in a holiday card drive by Cardsdirect.com. (Buy a card from the company and 20 percent of proceeds will be used for care packages to frontline troops in the Middle East.) Brooke's contribution? She appears on one card in a bikini.

Variety reports that the CW may yet come through with an oft-rumored spinoff to its melodrama about rich, beautiful - and oh-so-obnoxious young people -

Gossip Girls

. A new show wouldn't be such a stretch: The

Gossip Girl

book series that inspired (if that's the word) the TV show already has its own spinoff book series,

The It Girl

.

Anon sources tell Variety that CW would develop its own spin rather than adapt

The It Girl

.

It was a very Harry Potter week.

Consumers lined up across the planet to buy Potter creator

J.K. Rowling

's latest book,

Tales of Beedle the Bard

, a set of fairy tales with commentary by Hogwarts headmaster Albus Dumbledore.

Meanwhile, Potter fanatic

Steven Vander Ark

says he will publish his

Harry Potter Lexicon

, a 400-page companion to the Potter series, on Jan. 12 even though Rowling successfully sued in federal court to permanently block its publication. Vander Ark says he has revised his book to meet criteria laid down by the judge.

Rowling had yet to comment.

Good news for PalinHeads! The

Sarah Palin

2009 Calendar, created by photographer

Judy Patrick

, is up for sale at

» READ MORE: www.sarahcalendar.com

The cover will move fans: A smilin' Sarah stands proud, shotgun on a shoulder. Behind her rises a snowcapped peak superimposed on a giant, wind-ruffled American flag.

Victoria Beckham

says she's not

Victoria Beckham

- yet she

is

! (In other words, V.B. is a meta-real sartorial-socioeconomic construct.)

V.B. tells Harper's Bazaar that

V.B.

is, like, some role

she plays.

"I'll pick out a handbag, and I'll put on the shades. I instantly turn into this person, and it sort of feels like a character. And there are so many pictures of it," she says.

"But it's a true character because it's still me." Ah, the mysteries of human identity . . .