A new survey says model Heidi Klum is now the riskiest celebrity to look up on the Internet due to the chances of downloading a computer virus.

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McAfee said Sunday that Klum replaced Cameron Diaz atop its annual list of "Most Dangerous Celebrities," which ranks the celebrity names most likely to convince Web surfers to click on a malicious spam message.

Searching for news or images of Klum carries a 9-percent chance of landing on a site loaded with spyware or some other harmful file, McAfee said in a written statement.

The roster also includes familiar names such as Brad Pitt, Jessica Beal or Scarlett Johanssen. New additions include "That 70s Show" actresses Mila Kunis and Katherine Heigl of "Grey's Anatomy."

The most notable showing came from CNN host Piers Morgan, who not only broke into the top 10 this year but also placed third, making him the highest-ranked male celebrity.