The 33rd annual BRIT Awards celebrated British pop music on Wednesday (February 20 2013), at the O2 Arena in London. Above: British singer Rita Ora arrives in an orange Ulyana Sergeenko couture gown. Picture: Luke Macgregor/Reuters

Mitch and Janis Winehouse, the father and mother of the late singer Amy Winehouse, laugh as they arrive on the red carpet. Mitch displays a picture of Amy on his waistcoat. Last month eyebrows were raised when Amy Winehouse was nominated in the British female solo category some 18 months after her death for a chart-topping album of unreleased songs and demos called Lioness: Hidden Treasures. Picture: Luke Macgregor/Reuters

US singer Taylor Swift performs her hit I Knew You Were Trouble during the British version of the Grammys. Picture: Dylan Martinez/Reuters

Will Champion (left) and Jonny Buckland of Coldplay react after winning their eighth Brit award in the British Live Act category. Picture: Dylan Martinez/Reuters

British singer Emeli Sandé took to the stage to perform Clown and Next to Me before walking away with the awards for British Female Solo Artist and Mastercard British Album of the Year. Picture: Dylan Martinez/Reuters

US singer Frank Ocean holds his trophy after winning the International Male award. Picture: Dylan Martinez/Reuters

British pop band One Direction perform One Way Or Another (Teenage Kicks) live for the first time. The boy band took home the award for Global Success. Picture: Dylan Martinez/Reuters

US singer Justin Timberlake performs his new single Mirrors, after a 10 year absence on the Brit stage. Picture: Dylan Martinez/Reuters

Marcus Mumford (left) and Ben Lovett of British band Mumford and Son accept the award for Best British Group award. Picture: Joel Ryan/Invision/AP