<b>Photos:</b> Brit Awards 2011

British singer Alesha Dixon poses.  (Toby Melville/Reuters)

Singer Cheryl Cole arrives on the red carpet.  (Ian Gavan/Getty Images)

Singer Rihanna attends The Brit Awards 2011.   (Dave J Hogan/Getty Images)

Singer Rihanna attends The Brit Awards 2011.   (Dave Hogan/Getty Images)

Rihanna performs.  (Dave Hogan/Getty Images)

Rihanna performs on stage at the The BRIT Awards 2011.  (Dave Hogan/Getty Images)

Rihanna performs live onstage at The Brit Awards 2011.   (Dave Hogan/Getty Images)

Rihanna performs onstage.   (Dave Hogan/Getty Images)

Rihanna performs at the The BRIT Awards 2011.   (Dave Hogan/Getty Images)

Rihanna performs onstage at The Brit Awards 2011.   (Dave Hogan/Getty Images)

Rihanna reacts after winning the International Female Solo Artist award during the BRIT music awards.   (Luke MacGregor/Reuters)

Rihanna accepts the International Female award.   (Dave Hogan/Getty Images)

Rihanna accepts the award for International Female onstage.   (Dave Hogan/Getty Images)

Rihanna accepts the award for International Female onstage.   (Dave Hogan/Getty Images)

Robbie Williams of Take That reacts after the band won best British group.  (Luke MacGregor/Reuters)

Singer Cee-lo Green attends The BRIT Awards 2011.  (Ian Gavan/Getty Images)

Cee-Lo Green and Paloma Faith perform onstage in rehearsal.  (Dave Hogan/Getty Images)

Cee Lo Green poses with his award for Best International Male Solo Artist in the winners area.  (Ian Gavan/Getty Images)

Cee-Lo Green and Paloma Faith perform onstage in rehearsal.  (Dave Hogan/Getty Images)

Cee Lo Green performs live on stage with Paloma Faith.  (Dave J Hogan/Getty Images)

Cee Lo Green accepts the award for International Male Solo Aritist.  (Dave Hogan/Getty Images)

Cee Lo Green performs live on stage with Paloma Faith.  (Dave Hogan/Getty Images)

Cee Lo Green performs live on stage with Paloma Faith.  (Dave Hogan/Getty Images)

Cee Lo Green performs live on stage with Paloma Faith.  (Dave J Hogan/Getty Images)

British rapper Tinie Tempah arrives at the 02 Arena.  (Leon Neal/AFP/Getty Images)

Tinie Tempah performs onstage in rehearsal for The Brit Awards 2011.  (Dave Hogan/Getty Images)

Tinie Tempah and Labyrinth onstage at The Brit Awards 2011.  (Dave Hogan/Getty Images)

Tinie Tempah poses with his awards for Best British Single and British Breakthrough Act in the winners area.  (Ian Gavan/Getty Images)

Tinie Tempah poses with his awards for Best British Single and British Breakthrough Act in the winners area.  (Ian Gavan/Getty Images)

Paloma Faith perfoms during the BRIT music awards.  (Luke MacGregor/Reuters)

Singer Laura Marling poses in the winners area with her award for Best British Female Solo Artist.  (Ian Gavan/Getty Images)

Win Butler of Arcade Fire performs live onstage.   (Dave Hogan/Getty Images)

Win Butler, Regine Chassagne, Richard Reed Parry, William Butler, Jeremy Gara, Sarah Neufeld and Tim Kingsbury of band The Arcade Fire, winners of Best International Group and Best International Album, pose in the winners area.   (Ian Gavan/Getty Images)

Singer Justin Beiber poses with his award for Internation Breakthrough Act in the winners area.  (Ian Gavan/Getty Images)

Avril Lavigne walks on stage to present best International Breakthrough Act to Justin Bieber.   (Luke MacGregor/Reuters)

Avril Lavigne presents Justin Bieber the International Breakthrough Act Award onstage.   (Dave J Hogan/Getty Images)

Plan B performs on stage during the BRIT music awards.  (Luke MacGregor/Reuters)

Plan B aka Ben Drew performs onstage.  (Dave Hogan/Getty Images)

Plan B performs onstage in rehearsal for The Brit Awards 2011.  (Dave Hogan/Getty Images)

British rapper Plan B arrives at the 02 Arena.  (Leon Neal/AFP/Getty Images)

Plan B aka Ben Drew performs onstage.  (Dave Hogan/Getty Images)

English singer Jessie J arrives.  (Leon Neal/AFP/Getty Images)

English singer Jessie J arrives at the O2 arena in London ahead of the Brit Awards.   (Leon Neal/AFP/Getty Images)

Singer Jesse J poses with her Critic’s Choice Award in the winners area.  (Ian Gavan/Getty Images)

Singer Jesse J poses with her Critic’s Choice Award in the winners area.  (Ian Gavan/Getty Images)

Members of the band Arcade Fire react after winning best International Album.   (Luke MacGregor/Reuters)

Win Butler and Regine Chassagne of Arcade Fire perform onstage in rehearsal.  (Dave Hogan/Getty Images)

Win Butler performs onstage in rehearsal for The Brit Awards 2011.  (Dave Hogan/Getty Images)

Win Butler performs onstage in rehearsal for The Brit Awards 2011.  (Dave Hogan/Getty Images)

Ellie Goulding and Mark Ronson wait to present the Critics’ Choice Award, which was won by Jessie J,  (Luke MacGregor/Reuters)

Gary Barlow, Jason Orange, Mark Owen, Howard Donald and Robbie Williams of Take That perform onstage.   (Dave Hogan/Getty Images)

British singer Cheryl Cole arrives at the 02 Arena.  (Leon Neal/AFP/Getty Images)

Justin Bieber attends The Brit Awards 2011.   (Dave Hogan/Getty Images)

Sophie Ellis Bextor poses for photographers as she arrives.  (Toby Melville/Reuters)

Avril Lavigne attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

Canadian singer and songwriter Avril Lavigne poses.   (Toby Melville/Reuters)

Romy Madley Croft, Jamie Smith and Oliver Sim of The XX arrive on the red carpet.  (Ian Gavan/Getty Images)

Emma Willis arrives.  (Toby Melville/Reuters)

Emma Willis arrives.  (Toby Melville/Reuters)

Heidi Range of the Sugababes poses.  (Toby Melville/Reuters)

Television presenter Tess Daly arrives at the 02 Arena.  (Leon Neal/AFP/Getty Images)

Mark Ronson attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

Adele attends The Brit Awards 2011.  (Ian Gavan/Getty Images)

British singer Will Young arrives at the 02 Arena.  (Leon Neal/AFP/Getty Images)

Yasmin attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

Saul Milton and Will Kennard of Chase and Status onstage.  (Dave Hogan/Getty Images)

British singer Rumer arrives.  (Leon Neal/AFP/Getty Images)

Paloma Faith attends.  (Dave Hogan/Getty Images)

Dizzee Rascal attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

English singer Eliza Dolittle arrives.  (Leon Neal/AFP/Getty Images)

Singer Ellie Goulding arrives on the red carpet.  (Ian Gavan/Getty Images)

Kimberley Wyatt attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

Professor Green attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

Corinne Bailey Rae poses for photographers.   (Toby Melville/Reuters)

Taio Cruz attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

Olly Murs poses for photographers at the BRIT music awards.  (Toby Melville/Reuters)

Australian band Temper Trap pose for photographers as they arrive for the BRIT music awards.   (Toby Melville/Reuters)

Peter Andre attends The Brit Awards 2011.  (Dave Hogan/Getty Images)

The new Brit Award this year designed by Vivienne Westood.  (Dave J Hogan/Getty Images)

From left, Robbie Williams, Howard Donald, Mark Owen, Jason Orange and Gary Barlow of Take That perform onstage in rehearsal for The Brit Awards 2011.   (Dave J Hogan/Getty Images)