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Kiefer Sutherland

has begun serving a 48-day sentence at the city jail in Glendale, Calif.

Kiefer pleaded no contest in October to his second DUI in three years. He was sentenced on Wednesday and told he had till Feb. 12 to enter jail.

"Kiefer made the decision to surrender to custody immediately," his attorney, Blair Berk, told the Associated Press.

"I'm very disappointed in myself for the poor judgment I exhibited recently, and I'm deeply sorry for the disappointment and distress this has caused my family, friends and coworkers," Kiefer said in a statement.

Kiefer's first conviction, from '04, landed him five years' probation, 50 hours of community service and treatment for booze.

He was also convicted of alcohol-related reckless driving in '93.

Way too much info

Even though she's been married to him for nearly eight years,

Victoria Beckham

is still so enraptured by

David Beckham

's beauty that she always goes to bed naked.

"You don't sleep with David Beckham," Posh Spice tells Elle mag. "I'm going to be naked if I'm getting in bed with him every night!"

It's like a (soft porn) fairy tale, those two.

On a totally unrelated subject, Posh says her reason for going back on tour is to impress her kids. "I wanted my children to see that Mummy was a pop star," she says. "It was the last opportunity for them to stand in a crowd full of people screaming for the Spice Girls."

Another one bites the dust

Beauty did nothing to save

Vivica Fox

from the cold hand of the law Wednesday, when she was booked for DUI at a police station in Northridge, Calif. Fox, 43, was busted in March for barreling down the Ventura Freeway in her '07 Cadillac Escalade at 80 m.p.h. She was found to have a blood-alcohol level over the legal limit of 0.08 percent.

The former

Dancing With the Stars

contestant, who was released without bail, could face up to six months in jail and a $1,000 fine.

It's easier being an 'Idol'

Shocking behavior from

Randy Jackson

, who was not psychotically cheery and aggressively upbeat - as required of

American Idol

staffers - when he recently told the gals on

The View

that

Idol

does not always bring singers overnight success.

"There's no guarantee that you're going to be a huge success," Randy said, "because it's hard to sell records."

Led Zeppelin flirts with a tour

Members of

Led Zeppelin

, who will perform a reunion concert Monday in London, say they may go on a real tour.

But is it all talk?

You decide:

"I must say that after our initial get-together it was so exhilarating and fun that I did feel I would like to do more,"

Jimmy Page

, 63, tells music mag Q.

Meanwhile, bass player

John Paul Jones

has told Q and Rolling Stone he has no idea if a tour will follow - though he's open to the idea.

And front man

Robert Plant

tells Rolling Stone, "Anything is likely. The more people talk, the more pressure it puts on everybody."

Spacey to do Nobel show

Famed American actor

Kevin Spacey

will cohost the Nobel Peace Prize concert with

Uma Thurman

on Dec. 11, replacing

Tommy Lee Jones

, who had to withdraw for undisclosed personal reasons.

The show is being held in honor of this year's Nobel Peace Prize laureates, former Vice President

Al Gore

and members of the U.N.'s climate-change panel. (Jones was Gore's roommate at Harvard.)

Performers include

Minogue

,

Alicia Keys

,

Annie Lennox

and

Melissa Etheridge

. Good to know that one of the most noble international orgs, the Nobel Prize, has been totally taken over by American (and other English-speaking) celebs.

Concert canceled in Camden

The Nouveau Riche and Changing Modes concert scheduled for Sunday at the Rutgers-Camden Center for the Arts has been canceled. For refunds contact the Gordon Theatre box office at 856-225-2700.

Contact "SideShow" at sideshow@phillynews.com.

Inquirer wire services contributed to this column.