Natalie Portman, Colin Firth and the cast of The King's Speech took the top prizes at the 2011 Screen Actors Guild Awards on Sunday.

Firth won Best Actor for his role in the British monarchy drama, which also took the prize for Outstanding Performance by a Cast in a Motion Picture.

Meanwhile Portman claimed the Best Actress award for her performance in Darren Aronofsky's ballet drama Black Swan. The Fighter was also a big winner, with cast mates Christian Bale and Melissa Leo earning honors for Best Supporting Actor and Actress respectively.

Elsewhere, Steve Buscemi (Boardwalk Empire), Julianna Margulies (The Good Wife), Alec Baldwin (30 Rock), Betty White (Hot In Cleveland) and the casts of Boardwalk Empire and Modern Family were the big winners in the TV categories.

A lifetime achievement award was also handed to beloved actor Ernest Borgnine, who turned 94 on Monday.

The full list of winners at the 17th Annual Screen Actors Guild Awards is as follows:
 
 Outstanding Performance by a Cast in a Motion Picture:
 The King's Speech
 
 Outstanding Performance by a Male Actor in a Leading Role:
 Colin Firth - The King's Speech
 
 Outstanding Performance by a Female Actor in a Leading Role:
 Natalie Portman - Black Swan
 
 Outstanding Performance by a Male Actor in a Supporting Role:
 Christian Bale - The Fighter
 
 Outstanding Performance by a Female Actor in a Supporting Role:
 Melissa Leo - The Fighter
 
 Outstanding Performance by a Male Actor in a Television Movie or Miniseries:
 Al Pacino - You Don't Know Jack
 
 Outstanding Performance by a Female Actor in a Television Movie or Miniseries:
 Claire Danes - Temple Grandin
 
 Outstanding Performance by a Male Actor in a Drama Series:
 Steve Buscemi - Boardwalk Empire
 
 Outstanding Performance by a Female Actor in a Drama Series:
 Julianna Margulies - The Good Wife
 
 Outstanding Performance by a Male Actor in a Comedy Series:
 Alec Baldwin - 30 Rock
 
 Outstanding Performance by a Female Actor in a Comedy Series:
 Betty White - Hot In Cleveland
 
 Outstanding Performance by an Ensemble in a Drama Series:
 Boardwalk Empire
 
 Outstanding Performance by an Ensemble in a Comedy Series:
 Modern Family

Check out the best and worst fashion of the night!