Oscars 2012 Preview: Spotlight on Stars Presenting Awards

While the Oscar nominees for the 84^th Academy Awards have already been announced, a cast of Hollywood's most venerable and up-and-coming stars will also be taking the spotlight Sunday night as award presenters.

Participants, who will almost certainly show up on the red carpet, were announced by the Academy of Motion Picture Arts and Sciences between January 26 and February 23.

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Oscar night stalwarts presenting the awards include Tom Hanks, Meryl Streep, Michael Douglas, Halle Berry, Tom Cruise and Angelina Jolie.

Here's the list of presenters:

The Bridesmaids cast

Jennifer Lopez

Tom Hanks

Tom Cruise

Halle Berry

Cameron Diaz

Angelina Jolie

Bradley Cooper

Chris Rock

Ben Stiller

Kermit the Frog and Miss Piggy

Tina Fey

Michael Douglas

Will Ferrell

Zach Galifianakis

Meryl Streep

Christian Bale

Colin Firth

Melissa Leo

Natalie Portman

Penelope Cruz

Emma Stone