"When you have people like Britney Spears and Christina Aguilera working with rappers and prominent producers, it's only a matter of time before it starts filtering down to everyone else, " he says.

BBC: NEWS | Entertainment | The rise and rise of urban music

But for a megawatt star like Britney Spears, who already experienced a comeback of sorts in 2008 with the release of "Circus" not long after her fall from grace, a judging and mentoring gig on "The X Factor" isn't needed to sell albums.

CNN: What 'X Factor' can do for Britney Spears

You have to feel like that's Britney saying what Britney wants to say.

CNN: What 'X Factor' can do for Britney Spears

Ms. Moellering points to the influence of celebrities like Kim Kardashian, Britney Spears and Miley Cyrus, who are photographed at one end of the spectrum or the other either dressed way down when trying to dodge the paparazzi, or all dolled up for the red carpet.

WSJ: With Loungewear Trend, Teens Wear Pajamas All Day

Bold-faced names like Gwyneth Paltrow, Julia Roberts and Britney Spears have bypassed the scores of paps, as they're often called, by tipping off a single photographer or hiring their own to capture big-ticket events such as nuptials and births.

FORBES: Magazine Article

Ms Fuller goes through staff like the celebrities she covers go through lovers (see J-Lo and Britney, in every issue).

ECONOMIST: Face value

Other stars the public would supposedly like to see less of include Tom Cruise, Anna Nicole Smith and both Britney Spears and her husband Kevin Federline.

FORBES: All Jessica, All The Time

Williams has become a behind-the-scenes mastermind, producing, writing and appearing on hits for rap royals like Jay-Z and Snoop Dogg and less expected acts, such as Britney Spears and garage band the Hives.

WSJ: Pharrell Williams

As Laura A. Wasser , Divorce Attorney to stars like Maria Shriver, Heidi Klum, Angelina Jolie, Christina Aguilera, Mariah Carey, Britney Spears and many others, told me, filing jurisdiction can have a significant impact on virtually every issue of the divorce process.

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