Guess the Star Disguise

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IT'S JENNIFER ANISTON!

As all the details of her latest Hollywood breakup make front-page news, it's no wonder the 40-year-old former Friends star wants to keep a low profile while filming her upcoming comedy, The Baster.

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GUESS WHO?

Double bagging it? This young star donned a paper bag during a walk with his friend in L.A. on Jan. 22. He even wrapped up his hand -- which was injured from a car accident in July -- with a plastic bag.

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It's Shia LaBeouf!

After a busy year promoting the latest Indiana Jones film and Eagle Eye, the 22-year-old star will reprise his starring Transformers role in this year's sequel, Revenge of the Fallen.

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GuESS WHO?

After shopping in West Hollywood on May 31, 2007, this barefoot party girl hid behind a box from California Pizza Kitchen -- and a large McDonald's drink.

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IT's NICOLE RICHIE!

The star has given up her super-skinny ways and since started a family with beau Joel Madden. The couple announced in February that they are expecting a sibling for their 13-month-old daughter, Harlow.

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GUESS WHO?

Before hosting an afternoon party for friends and family in Los Feliz, California, on Aug. 2, 2008, this young star kept incognito behind a beautiful bouquet of flowers.

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IT'S RACHEL BILSON

The former O.C. star, 27, has a history of dating her costars. She was in a three-year-relationship with her on-screen beau Adam Brody and recently got engaged to her Jumper movie costar, Hayden Christensen.

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GUESS WHO?

This actor used a prop from his latest film to hide his face as he walked out of his trailer in NYC on May 28, 2007.

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IT'S LEONARDO DICAPRIO

The Revolutionary Road star didn't get an Oscar nod this year, but he has been nominated three times for his roles in What's Eating Gilbert Grape, The Aviator and Blood Diamond.

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GUESS WHO?

This British beauty hid her makeup-smeared face with a pig mask when returning home after celebrating her 21st birthday in London on March 24, 2006.

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IT'S KEIRA KNIGHTLEY

The actress came to international prominence in 2003 after costarring in Bend it Like Beckham and the Pirates of the Caribbean trilogy.

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gUESS WHO?

This scandal-loving star tried to keep a low profile behind a bundle of balloons -- that she took from a friend's birthday party at Paru's Restaurant -- in L.A. on Dec. 17, 2008.

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IT'S LINDSAY LOHAN

Aside from making headlines with gal pal Samantha Ronson, the 22-year-old is working on a new film, Dare to Love Me, while her latest movie, Labor Pains, is headed straight to cable.

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GUESS WHO?

This famous actor walked out of the Ritz in Paris with a women's shopping bag on his head on Oct. 16, 2006, but he eventually discarded his disguise to greet a mob of fans.

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IT'S DUSTIN HOFFMAN

The Last Chance Harvey star is a two-time Academy Award-winner -- he won for his leading roles in 1979's Kramer vs. Kramer and 1988's Rain Man.

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GUESS WHO?

Don't sweat the cameras! This star hid behind his bag after working out at a gym in Studio City, California, on Aug. 18, 2008.

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IT'S ZAC EFRON

The Disney alum has finished three installments of High School Musical -- he's still dating costar Vanessa Hudgens -- but he's now trying to take on more serious roles, including his recent work in Me and Orson Welles.

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GUESS WHO?

This child star wore a mask, along with the other black-dressed bridesmaids, at the wedding of her stylist, Estee Stanley, in downtown L.A. on April 5, 2008.

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IT'S ASHLEY OLSEN

She and her twin sister, Mary-Kate, have moved on from their Full House fame to become fashion designers.

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GUESS WHO?

To hide from photographers, this star pulled her turtleneck sweater up over her face while shopping in NYC with a friend on Feb. 7, 2004.

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IT'S GWYNETH PALTROW

Most recently seen in Iron Man, the star spends most of her time with her two children, Apple and Moses, and her rocker hubby, Coldplay frontman Chris Martin.