Kim Kardashian goes braless at Atlantic City party

London: Kim Kardashian wore a revealing little black dress and no bra after Kanye West ‘urged her to be more daring with fashion’, to the Pool After Dark party in Atlantic City. The 31-year-old reality star headed straight to the red carpet event with a sheer lace back outfit with towering black Christian Louboutin heels at the Harrah’s Casino after she jetted back from London.

MADONNA TO LADY GAGA I Can Steal Your Songs Too

The shoe was on the other foot in Israel Friday -- Madonna performed a cover of Lady Gaga's hit song "Born This Way" ... the same song Madonna called a rip-off of her earlier work ... but it's unlikely this was an homage to L.G.

Madonna was rehearsing for a concert in Tel Aviv -- singing her own song "Express Yourself" -- then seamlessly transitioned into Lady Gaga's "Born This Way."

BRITNEY VS. JLO It's All About the Moolah

Jennifer Lopez helped Britney Spears secure a $15 million paycheck for "X Factor" -- because Britney had one intractable demand ... she had to make more than J Lo did for her first season on "American Idol."

JLo raked in $12 mil for her first season on "American Idol." There are reports she made $20 mil for the season that just ended, but we hear it's less than that.

Facebook Falls Below $30 as Option Trading Begins

NEW YORK—Facebook Inc.'s shares tumbled under $30 for the first time, 11 days after the social-media giant launched its initial public offering, as options trading began Tuesday and a negative sentiment continued to weigh on the stock.

Shares fell 7.5% to $29.53 in recent trading, despite a broader market rally. The stock traded as low as $29.35, down nearly 23% from its IPO price of $38 on May 18. Facebook shares have slid over the past couple weeks following a messy IPO process and because of concerns about the company's growth potential.

Stars Reveal Their Summer Vacation Plans

If it's Memorial Day weekend, it's summer vacation time!

Real Housewives of Beverly Hills star Camille Grammer's big summer plans include boyfriend Dimitri Charalambopoulos.

"He's going to bring me to his family home in Greece," Grammer recently told us. "We were talking about two or three weeks. Travel the Greek islands together, meet his family and cousins."

Sounds like fun!

What do some more celebs have planned for the summer? Read on to find out...

'Mad Men' recap: A woman's worth

You know you've got a dramatic "Mad Men" when Peggy leaves the agency and it’s only the second most stunning thing that happens in the episode. In "The Other Woman," Joan finally gets the partnership she's long deserved but she has to pay an almost unimaginable price to make it happen. Meanwhile, Peggy makes the painful decision to leave Sterling Cooper Draper Pryce -- or should I say Sterling Cooper Draper Pryce Harris? -- because someone else is willing to pay her what she's actually worth.

SADIE FROST'S SHOCKER FOR KATE MOSS

ATE Moss got a shock when she attended best mate Sadie Frost’s new one-woman musical Touched...Like A Virgin.

Sadie, who has returned to the stage after 20 years, roasts the supermodel as a wild party girl who never sleeps.

An audience member at the Soho Theatre in London told us: “Kate turned up to support her pal Sadie and she looked surprised when Sadie mocked her on stage for her erratic partying.