Actor Neil Patrick Harris of CBS' "How I met Your Mother" poses with one of the characters at the 35th Annual Halloween Haunt at Knotts Berry Farm on Oct. 29, 2007, in Buena Park, Calif.
Television personality Audrina Partridge, left, and singer Christina Milian pose together at the Hpnotiq Halloween Party at Les Deux on Oct. 30, 2007, in Los Angeles.
Actress Teri Hatcher and her daughter, Emerson Rose Tenney, attend Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actor Adrian Grenier of HBO's "Entourage," left, poses with Playboy Playmate Scarlett Keegan during Playboy's annual Halloween party on Saturday, Oct. 27, 2007, in Los Angeles.
Singer Christina Milian arrives at the Hpnotiq Halloween Party at Les Deux on Oct. 30, 2007, in Los Angeles.
Actor James Woods, star of TV's "Shark," and Playboy Playmate Tiffany Jordan pose together during Playboy's annual Halloween party on Saturday, Oct. 27, 2007, in Los Angeles.
Actress Marlee Matlin and her daughter attend Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Jamie Lee Curtis attends Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
"Entourage" actor Kevin Connolly poses with Playboy Playmate Laurie Fetter during Playboy's annual Halloween party on Saturday, Oct. 27, 2007, in Los Angeles.
Actress Maria Canals, center, and her daughters attend Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Andrea Bowen attends Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Cassandra Peterson, best-known as Elvira, attends Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Rachel Fox attends Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Shelbie Bruce attends Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Rumer Willis poses at Dream Halloween, the annual fundraising event benefitting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Actress Sammi Hanratty attends Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Here's what actress Teri Hatcher's costume looked like at Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
Playboy founder Hugh Hefner, right, poses with actor James Belushi during Playboy's annual Halloween party on Saturday, Oct. 27, 2007, in Los Angeles.
Actress Jamie Lee Curtis poses for photographers at Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.
She may be dressed as a pirate, but Marlee Maitlin walked the red carpet, not the plank, at Dream Halloween, the annual fundraising event benefiting the Children Affected by AIDS Foundation, Oct. 27, 2007, at Barker Hanger in Santa Monica, Calif.