McAfee has released its list of the most dangerous celebrities of 2014 (www.mostdangerouscelebrities.com). Keep clicking to see whether a Web search for your favorite celebrity could lead to malware or viruses. We'll start with No. 10, singer Christina Aguilera. Here, Aguilera performs onstage during Hollywood Stands up to Cancer Event on Jan. 28, 2014, in Culver City, Calif.