This is where you will find a complete list of all the winners at the 81st Academy Awards. Slumdog Millionaire  was the big winner on the night, with Winslet, Penn, Ledger and Cruz also taking home awards.

Winners in bold and capitals.

Motion Picture

SLUMDOG MILLIONAIRE
The Curious Case of Benjamin Button
Frost/Nixon
Milk
The Reader

Performance by an Actor in a Motion Picture

SEAN PENN - MILK
Richard Jenkins - The Visitor
Frank Langella - Frost/Nixon
Brad Pitt - The Curious Case of Benjamin Button
Mickey Rourke -The Wrestler

Performance by an Actress in a Motion Picture

KATE WINSLET - THE READER
Anne Hathaway - Rachel Getting Married
Angelina Jolie - Changeling
Melissa Leo - Frozen River
Meryl Streep - Doubt

Performance by an Actor in a Supporting Role

HEATH LEDGER - THE DARK KNIGHT
Josh Brolin - Milk
Robert Downey Jr - Tropic Thunder
Philip Seymour Hoffman - Doubt
Michael Shannon - Revolutionary Road

Performance by an Actress in a Supporting Role

PENELOPE CRUZ - VICKY CRISTINA BARCELONA
Amy Adams - Doubt
Viola Davis - Doubt
Taraji P. Henson - The Curious Case of Benjamin Button
Marisa Tomei - The Wrestler

Director

DANNY BOYLE - SLUMDOG MILLIONAIRE
Stephen Daldry - The Reader
David Fincher - The Curious Case of Benjamin Button
Ron Howard - Frost/Nixon
Gus Van Sant - Milk 

Animated Feature

WALL.E
Bolt
Kung Fu Panda

Adapted Screenplay
 
SLUMDOG MILLIONAIRE
The Curious Case of Benjamin Button
Doubt
Frost/Nixon
The Reader

Original Screenplay

MILK
Frozen River
Happy-Go-Lucky
In Bruges
WALL-E

Original Song

SLUMDOG MILLIONAIRE - JAI HO
WALL-E - Down to Earth
Slumdog Millionaire - O Saya

Foreign Language Film

DEPARTURES
The Baader Meinhof Complex
The Class
Revanche
Waltz with Bashir

Art Direction

THE CURIOUS CASE OF BENJAMIN BUTTON
Changeling
The Dark Knight
The Duchess
Revolutionary Road

Cinematography

SLUMDOG MILLIONAIRE
Changeling
The Curious Case of Benjamin Button
The Dark Knight
The Reader

Costume Design

THE DUCHESS
Australia
The Curious Case of Benjamin Button
Milk
Revolutionary Road

Film Editing

SLUMDOG MILLIONAIRE
The Curious Case of Benjamin Button
The Dark Knight
Frost/Nixon
Milk

Makeup

THE CURIOUS CASE OF BENJAMIN BUTTON
The Dark Knight
Hellboy II: The Golden Army

Original Score

SLUMDOG MILLIONAIRE
The Curious Case of Benjamin Button
Defiance
Milk
WALL-E

Sound Editing

THE DARK KNIGHT
Iron Man
Slumdog Millionaire
WALL-E
Wanted

Sound Mixing

SLUMDOG MILLIONAIRE
The Curious Case of Benjamin Button
The Dark Knight
WALL-E
Wanted

Visual Effects

THE CURIOUS CASE OF BENJAMIN BUTTON
The Dark Knight
Iron Man

Documentary Feature

MAN ON WIRE
The Betrayal (Nerakhoon)
Encounters at the End of the World
The Garden
Trouble the Water

Documentary Short Subject

SMILE PINKI
The Conscience of Nhem En
The Final Inch
The Witness - From the Balcony of Room 306

Animated Short Film

LA MAISON EN PETITS CUBES
Lavatory - Lovestory
Oktapodi
Presto
This Way Up

Live Action Short Film

SPIELZEUGLAND (TOYLAND)
Auf der Strecke (On the Line)
Manon on the Asphalt
New Boy
The Pig