The Cedars-Sinai hospital, where veteran French rock star Johnny Hallyday had surgery, is seen in Los Angeles December 15, 2009. Hallyday had surgery at the Cedars-Sinai hospital where he was admitted on December 7, 2009 his publicists said. Hallyday, one of France's most popular entertainers in a career spanning almost 50 years, has been suffering health problems recently. REUTERS/Benoit Tessier (UNITED STATES - Tags: ENTERTAINMENT HEALTH)