(Reuters) - Pop stars Justin Bieber and Taylor Swift won the big prizes on Sunday at the Billboard Music Awards, which also honored legendary performers Madonna and Prince. Bieber, who was named top male artist, also performed at the show at the MGM Grand Garden Arena in Las Vegas. He also took home Billboard's first Milestone Award, chosen by fans, for musical innovation and ingenuity. "I'm 19 years old. I think I'm doing a pretty good job, Bieber said. "It should really be about the music. This is not a gimmick. I'm an artist and I should be taken seriously. ...

By Mia Shanley MALMO, Sweden (Reuters) - Denmark's Emmelie de Forest won Eurovision on Saturday before an international TV audience of around 125 million, clinching the coveted crown of euro-pop with a folksy ballad backed by a wall of fire, flutes and drums. The barefoot 20-year-old blonde stole the show as predicted by bookmakers with "Only Teardrops" in a final that saw 26 countries battle it out in the southern Swedish city of Malmo for the top prize in glitzy European pop music. ...

By Alex Dobuzinskis LOS ANGELES (Reuters) - A custom-made electric guitar played by the late John Lennon and George Harrison of the Beatles sold at a New York auction on Saturday for $408,000, said officials with the company behind the event. The semi-hollow-body guitar, manufactured by the VOX company, was sold to an unidentified U.S. buyer at the "Music Icons" event organized by Beverly Hills, California-based Julien's Auctions and held at the Hard Rock Cafe in Manhattan. ...

By Josie Cox LONDON (Reuters) - Even with one of the world's most athletic opera singers at her side and plenty of practice, American mezzo-soprano Joyce DiDonato reckons the latest London production of Gioachino Rossini's "La Donna Del Lago" is the challenge of a lifetime. DiDonato and Peruvian tenor Juan Diego Florez told Reuters at the Royal Opera House production's opening on Friday night that performing their technically demanding roles in the John Fulljames interpretation is almost like an elite sport. ...

By Harriet McLeod CHARLESTON, South Carolina (Reuters) - "American Idol" winner Candice Glover, whose powerful voice clinched the title of the popular TV singing show, comes from a sea island culture made up of descendants of West African slaves. "I speak another language," she said during the Fox TV show. "It's called Geechee." Some 14.2 million TV viewers tuned in to watch Glover beat Kree Harrison to win the season 12 "American Idol" crown on Thursday. Glover, 23, is a native of rural St. Helena Island in the coastal South Carolina Lowcountry. ...