LONDON, ENGLAND - MAY 10: The Dictator attends the World premiere of The Dictator at the Royal Festival Hall on May 10, 2012 in London, England. (Photo by Ben Pruchnie/Getty Images for PPI)
Mark Ruffalo as the Hulk in The Avengers.
Bruno Mars arrives at the 54th Annual Grammy Awards at the Los Angeles Staples Centre on 12 February 2012.
Usually private couple Alicia Keys and husband Swiss Beatz posed for photographers on the red carpet.
Yeah, we can't figure it out either. Russian-born singer Sasha Gradiva came bearing arms... Quite literally.
Fashion Police panellist Kelly Osbourne picked out a purple hue for her hair to match her silver gown.
Nicki Minaj seems to be vying for Lady Gaga's "eccentric entrance" crown. She donned a crazy Versace outfit and brought along a Pope-lookalike as her red carpet arm candy.
Oh, Fergie. The rhyme that popped in to my head was "I see London, I see France. I can see your underpants." Well, it's true.
Feeling blue? Newly single Katy Perry sported different shades of blue for her Grammy red carpet entrance.
Where there's a party, there surely will be Paris Hilton. The blonde socialite made her turn of the awards in a white gown.
What, you hardly expected her to wear a nice frock, did you? Lady Gaga's all business in leather and lace at the Grammys.
Musical icon Diana Ross poses with her Grammy Lifetime Achievement Award.
Grammys host LL Cool J opened the cermony with some moving words for late singer Whitney Houston, who died the night before the event. "We've had a death in our family," he said, before leading the star-studded audience into a prayer.
Bruce Springsteen was an early performer at the ceremony.
Taylor Swift performs at the ceremony, where she also nabbed the award for best country song for her track Mean.
The night's big winner was Adele, who picked up six awards in all six categories that she was nominated in.
She also marked her return to the stage with a stirring rendition of her smash hit Rolling in the Deep. It is the first time she has performed since she suffered a haemorrhage on her vocal chords in October.
Chris Brown returned to the Grammy stage to perform for the first time at the awards ceremony since he famously assaulted then-girlfriend Rihanna the night before the 2009 ceremony.
Also performing was Nicki Minaj, who carried the religious theme of her red carpet outfit into her performance of her new song Roman Holiday. She rose into the air in what played out as an on-stage exorcism, and her performance had tongues wagging.
Katy Perry also debuted a new track at the ceremony, called Part of Me. She started off her gig with ET before seguing to the new song, which was seemingly inspired by her split from hubby Russell Brand. She sang "You can keep the diamond ring. It don’t mean nothing anyway. In fact you can keep everything ... Except for me."
The Beach Boys were another highly-anticipated part of the evening, with the California surfer dudes performing together live for the first time in over twenty years.
Rockers Foo Fighters - who also accepted the award for best rock album for Wasting Light - performed their hit Walk at the festivities.
Rihanna performed her hit We Found Love at the ceremony, before...
... She joined rockers Coldplay for a duet on their single Princess of China.
One of the night's most talked-about moments was Jennifer Hudson's powerful version of
I Will Always Love You, sung in memory of Whitney Houston.
Watch it here.
The night's two biggest honours - Album of the Year and Record of the Year - were picked up by Adele, who could barely contain her emotion as she accepted her awards. "Oh, I got a bit of snot!" she said on stage.
Sir Paul McCartney.
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