The Zodiac costars make a thrilling appearance at the fest. Plus: Lindsay Lohan, Jessica Simpson and more

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MUY CALIENTE

Also making a sizzling appearance at Maxim's Hot 100 party: Hilary Duff, who placed 24th on the list. The 19-year-old star, who recently made nice with Lindsay Lohan, got acquainted with a new friend, Guillermo from Jimmy Kimmel Live.