AILING: Singer Lyle Lovett, 44, underwent emergency surgery yesterday for a broken leg after he was trampled by a bull on his uncle's farm outside of Houston, Reuters reports. The three-time Grammy winner and sometimes actor drew tabloid scrutiny when he married actress Julia Roberts, 34, in 1993. The relationship ended in divorce two years later. Lovett broke two bones in his right leg and fractured a thumb when a bull he had raised from birth hurt him with some rough play, reports Reuters. He is expected to make a full recovery . . . . DIED: Motley Crue drummer Randy Castillo, 50, died Tuesday, presumably from complications from his long battle with cancer, reports Launch.com. Prior to his work with the band, he spent four years drumming for rocker Ozzy Osbourne. . . . SEQUEL: Country singer Loretta Lynn's follow-up to her best-selling autobiography "Coal Miner's Daughter," which was made into a hit 1980 film starring Oscar winner Sissy Spacek, will be released on April 3, reports Launch.com. "Still Woman Enough: A Memoir" details her struggle with fame and exposes new personal secrets left out of her original tome. . . . PENDING: Las Vegas police report that they are looking into allegations that singer Celine Dion's husband/manager Rene Angelil, 60, raped a woman in a hotel room two years ago, reports the Associated Press. Yun Kyeong Sung Kwon filed a police report March 19, exactly two years after the alleged incident. Angelil's lawyers have called the accusations without merit, the AP reports. They admit that an unspecified monetary settlement was made to Kwon because Angelil was battling throat cancer at the time and Dion had just become pregnant. . . . SINGLE: After weeks of media speculation about the status of their relationship, pop singer Britney Spears, 20, indicated that her romance with 'N Sync's Justin Timberlake, 21, is over, reports USA Today. "I'm single ... right now," Spears told Channel 4's Big Breakfast host Richard Bacon in an interview airing Wedneday, according to British press reports, reports USA Today . . . . CASTING: Selection is underway for the fifth installment of "Survivor," USA Today reports. Locations in Central and South America and Asia are being scouted by producer Mark Burnett, according to the newspaper. The new season will be taped this summer and air on Thursdays next fall.