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Well, hello there!

A Prada book party not only brought out the A-listers, but the event inspired one actress to flaunt her own A-list assets.

Who is she? She's done tons of indie films and also stars on a hit HBO series. And while she's known for having an eccentric style, she still managed to surprise us when she showed up in this revealing ensemble.

Think you know who's giving us an eyeful? Find out after the jump...

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It's Chloë Sevigny showing all that cleavage!

The Big Love star hit the Prada bash where Jessica Biel, Zoe Saldana, Rachel Zoe and Jessica Alba were also hanging.

Nobody seemed fazed by the major show of skin, according to one posh partyer. In fact, Saldana was wearing the exact same top, which was designed by Prada, natch.

Apparently, skin is in this season.

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See more stars out and about Tinseltown in our Party Pics: Hollywood gallery!

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This divalicious singer is showing the love...and a huge chunk of ice!

She traded her typical red carpet pose while attending the MTV Europe Awards to arrange her hands in a heart over her head.

She also shared her affection for her hip-hop hubby, whom she thanked in her speech after winning Best Video and Best Song.

Think you know who's got a heart in her hands? Find out after jump...

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Theo Wargo/Getty Images for Columbia Records

She plays a good girl on her hit TV show, but this actress is showing off a whole new side (two of 'em actually) at a New Jersey mall event.

Usually, we're focused on her vocal prowess, but maybe she wanted fans to notice her cleavage, too?

Think you know who'd get sent to the principal's office for showing off this much skin? Find out after the jump...

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Here's an example of why you shouldn't make bets that involve your body.

This rocker, who's also a dad to a baby boy, lost a gamble with a fellow musician and had to get a tattoo of his friend's face on his arm.

The tattooed dude already has lots of ink as it is, but will his famous wife appreciate this fight for skin space?

Find out who's got a face on his forearm after the jump...

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Lester Cohen/Getty Images

This starlet isn't afraid to take a fashion risk, and this dress is no exception.

She stepped out at the star-studded premiere of This Is It at the Nokia Theatre last night sporting a frock held together with safety pins.

Perhaps her style was inspired by the King of Pop himself? She was a family friend of Michael Jackson's and spent time with the music man growing up.

Think you know who's a pinhead? Find out after the jump...

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Courtesy AP/ Casey Rogers

When this star threw a Willy Wonka-themed birthday bash for herself, she even painted her fingernails to match!

There was lots of candy, of course, plus party guests like her new British beau and a superstar country singer.

Think you know who got the Oompa Loompa-inspired manicure to celebrate her 25th birthday? Find out after jump...

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WENN

Forget velour sweats! When this designing mom of two flies the friendly skies, she does it in style.

The singer hit LAX solo yesterday to catch a flight to the Big Apple, and while going through the security line, showed off a bright red bra under her sheer shirt.

Think you know who's giving TSA workers an eyeful? Find out after the jump!

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Courtesy of Lisa Rose Photography

Don't stand too close to this reality star...she's got spikes on her heels!

This celeb stepped out at the Hollywood Style Awards Sunday to present an award to a former flame.

But it wasn't the ex-boyfriend who had this stylish star feeling prickly. Although she has her own clothing line, she said her stylist came up with the idea of adding pointy metal studs to her pumps.

Think you know who's got spiked shoes? Find out after the jump...

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Jamie McCarthy/Getty Images

This starlet has kissed lots of Hollywood hotties, but last night in New York City, she locked lips with a chimp!

In between photo ops, this celeb was busy engaging in some PDA with her boyfriend.

Do you think he made his animal-loving lady wash her mouth off before smooching her?

Probably not.

Think you know who's monkeying around? Find out after the jump...

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Antonio de Moraes Barros Filho

We hope this singer used double-sided tape on her dress before leaving the house.

She's saved from overexposure by the strategically placed stripe in this snap. But we bet this sheer number could easily shift.

Our fashion-forward celeb is currently in Paris checking out all the shows.

Think you know who's in the barely-there black dress? Find out after the jump...

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This star got close to a baby elephant during her trip to Kenya.

How close? Check out how she's feeding the little guy a bottle of milk. Of course, she's a seasoned pro at bottle feeding, as she already raised three humans of her own.

Her hubby accompanied her on the trip to Africa, and naturally, the Twitter-happy twosome have been sharing pics from their trip online.

Think you know who's getting personal with a pachyderm? Find out after the jump...

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Graham Denholm/Getty Images

This star is supposedly modeling clothes for designer Richie Rich, but it seems like all she's showing is her own skin.

The celeb hit the runway Down Under, strutting her stuff at a show during New Zealand fashion week and baring her crack.

Of course, her goods are nothing most guys in America haven't already seen. She's been in a quite a few Playboy spreads.

Think you know who's nearly naked in New Zealand? Find out after the jump...

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