Pre-Oscar Parties

Diane Kruger arrives at the Chanel And Charles Finch Pre-Oscar Party Celebrating Fashion and Film at Madeo Restaurant on March 6 in Los Angeles.

Craig Barritt/Getty Images

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Rose McGowan arrives at the Chanel And Charles Finch Pre-Oscar Party Celebrating Fashion And Film at Madeo Restaurant.

Craig Barritt / Getty Images

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Ashton Kutcher and Demi Moore arrive at the Hollywood Domino's 3rd annual pre-Oscar Hollywood gala on March 5 in Beverly Hills.

Jason Merritt / Getty Images

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Jessica Alba at Global Green USA's 7th Annual Pre-Oscar Party at Avalon on March 3.

Jason Merritt / Getty Images for Global Green

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Jon Hamm and actress Jennifer Westfeldt attend Artists for Peace and Justice, hosted by Vanity Fair and Brioni, held at Bar Nineteen 12.

Jesse Grant / Getty Images for Vanity Fair

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Olivia Wilde and actor Ben Stiller attend Artists for Peace and Justice, hosted by Vanity Fair and Brioni.

Charley Gallay / Getty Images for Vanity Fair

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Actress Maria Bello attends Artists for Peace and Justice.

Jesse Grant / Getty Images for Vanity Fair

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Bristol Palin gets a makeover from celebrity makeup artist Christopher Drummond at the Pre-Oscar Poolside Party benefiting The Red Cross Haiti & Chile Relief Fund at the Beverly Wilshire-Four Seasons Hotel.

Michael Kovac, FilmMagic / Getty Images

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Up in the Air's Anna Kendrick attends the Pre-Oscar Poolside Party benefiting The Red Cross Haiti & Chile Relief Fund.

Michael Kovac, FilmMagic / Getty Images

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Renee Zellweger attends the Vera Wang Store Launch at the Vera Wang store on March 2 in Los Angeles.

Jason Merritt / Getty Images

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Reese Witherspoon attends the Vera Wang store launch on March 2 in Los Angeles.

Jason Merritt / Getty Images

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Olympic gold medalist Evan Lysacek attends the Vera Wang store launch on March 2.

Jason Merritt / Getty Images

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Diane Lane attends Artists for Peace and Justice, hosted by Vanity Fair and Brioni, held at Bar Nineteen 12 on March 3 in Beverly Hills.

Jesse Grant / Getty Images for Vanity Fair

Pre-Oscar Parties

Ashton and Demi, Jon Hamm, and even Bristol Palin made the rounds in Los Angeles to prepare for tonight's Academy Awards ceremony. VIEW OUR GALLERY of the best pre-Oscar bashes.