Adele triumphs at Grammys, clouded by Houston death

British soul diva Adele made a triumphant return to the stage at the Grammys, winning a clean sweep of six awards and a standing ovation, in a show clouded by the death of Whitney Houston.
The 23-year-old Londoner, who has been out of action since October to undergo throat surgery, wowed a star-studded audience with a storming rendition of her worldwide hit "Rolling in the Deep."