LOS ANGELES (AP) — A Florida man has pleaded guilty in Los Angeles to charges he hacked into the email accounts of such celebrities as Christina Aguilera and Scarlett Johansson, whose nude photos eventually landed on the Internet.Christopher Chaney of Jacksonville, Fla., entered his plea Monday to nine counts including wiretapping.Prosecutors say Chaney illegally accessed the email accounts of Aguilera, Mila Kunis and Johansson. Nude photos Johansson had taken of herself were later posted on the Internet.Authorities say Chaney forwarded celebrity photographs to two gossip websites and another hacker, but there wasn't any evidence that he profited from his scheme. He has since apologized for his actions.Chaney was immediately taken into custody. He will be sentenced on July 23.