(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. ...

LONDON (Reuters) - British singer George Michael has received medical treatment after a car crash on Thursday, his publicist said. The 49-year-old former Wham! frontman was being treated for "minor cuts and bruises" after the accident, Michael's spokeswoman said. "George Michael was a passenger in a vehicle involved in a traffic accident yesterday evening, no third party was involved," a spokeswoman said on Friday. "He is being treated for superficial cuts and bruises but is fine." British media reported that the accident occurred just outside London on a motorway during rush hour. ...

LOS ANGELES (Reuters) - Rapper Dr. Dre and music mogul Jimmy Iovine have donated $70 million to establish an entrepreneurial undergraduate program at the University of Southern California, the Los Angeles school said on Wednesday. The gift will create a new degree pulling faculty members from the university's business, fine arts, music and engineering departments. The Jimmy Iovine and Andre Young Academy for Arts, Technology and the Business of Innovation will begin in the fall of 2014 and enroll a first class of 25 students, USC said. Dr. ...

By Zorianna Kit LOS ANGELES (Reuters) - Actor Zachary Quinto has transitioned swiftly from a television villain into an unlikely action film star in J.J Abrams' rebooted "Star Trek" franchise, playing the series' most recognizable half-Vulcan, Spock. The 35-year-old actor, who gained fame as super-villain Sylar in sci-fi television series "Heroes," will reprise his role as the pointy-eared first officer of the starship Enterprise in "Star Trek Into Darkness," which will be released in theaters on Friday. ...

(Reuters) - Diamond jewelry belonging to Italian actress Gina Lollobrigida sold for more than 4.74 million Swiss francs ($4.9 million) on Tuesday in Geneva and set a record for pearl earrings, auctioneer Sotheby's said. Lollobrigida, a leading sex symbol of the 1950s and 1960s, said she was selling the jewelry to raise money for stem cell research. A pair of diamond and natural pearl earrings sold for 2.29 million francs ($2.37 million), an auction record. The earrings beat the $1. ...

By Piya Sinha-Roy LOS ANGELES (Reuters) - The doors of Dunder Mifflin's Scranton branch closed for the last time on Thursday as NBC's "The Office" wrapped up after a nine-season run with a nostalgic finale featuring a long-awaited wedding and the return of the show's biggest star, Steve Carell. Emmy-winning mockumentary "The Office," adapted from Ricky Gervais' British series of the same name, saw a documentary crew filming the daily lives of employees at the Dunder Mifflin paper company, led for several years by hapless boss Michael Scott, played by Carell. ...

By Patricia Reaney NEW YORK (Reuters) - Oscar-winning film star Angelina Jolie revealed on Tuesday that she underwent a double mastectomy after learning she had inherited a high risk of breast cancer and said she hoped her story would inspire other women fighting the life-threatening disease. Jolie, an actress who has long embodied Hollywood glamour and has in recent years drawn nearly as much attention for her globe-trotting work on behalf of refugees as for her role as a celebrity mom, disclosed her choice in an op-ed column in the New York Times. ...

By Patricia Reaney NEW YORK (Reuters) - Actor Leonardo DiCaprio and Christie's auction house raised $38.8 million through a charity art auction and donations, Christie's said on Tuesday, with proceeds to benefit environmental and conservation causes. The 33 works in The 11th Hour Auction organized by the star of the new film "The Great Gatsby" sold for $31.74 million on Monday evening and set 13 records for artists including Carol Bove, Joe Bradley, Mark Grotjahn, Raymond Pettibon and Mark Ryden among others. ...

By Edith Honan NEW YORK (Reuters) - New York City mayoral hopeful Christine Quinn spoke out on Tuesday about her decade-long struggle with bulimia and alcohol abuse after her mother's death from breast cancer. "It was such a challenging time, and it was a time where everything was just bad," Quinn, the speaker of the New York City Council, told an audience at Barnard College. "I thought I was the only 16-year-old girl in the world who had no ability to deal with her mother dying. ...

(Reuters) - Trailblazing broadcast journalist Barbara Walters, known for her interviews with world leaders and celebrities and the first woman to co-anchor a U.S. evening news program, said on Monday she will retire in the summer of 2014. With tears in her eyes, Walters, 83, announced her upcoming resignation on "The View," the all-woman show she created in 1997. "I have been on television for over 50 years," she said as her co-hosts watched. "In the summer of 2014 I plan to retire from appearing on television." Walters described her career as amazing, fascinating, and sometimes bumpy. ...

By Ira Teinowitz LOS ANGELES (TheWrap.com) - It was Harvey Weinstein and President Obama again Monday. Weinstein, a longtime backer of the president, is hosting one of three Democratic fundraisers in New York with Georgiana Chapman that feature comments by the president. Weinstein has his name on one of two of the events sponsored by the Democratic National Committee in private homes, the White House said. Tickets for the event in Weinstein's five-story West Village home ranged from $16,200 to $20,000. Some 65 people showed up, including Justin Timberlake, Jessica Biel and Tommy Hilfiger. ...