Kerry Washington - LACMA Art+Film Gala 2012

Actress Kerry Washington at 2012 LACMA Art + Film Gala in Los Angeles, California on October 27, 2012.

Paris Hilton - The Playboy Mansion Halloween Party 2012

Paris Hilton arrives at The Playboy Mansion Halloween Party in Beverly Hills, California on October 27, 2012.

Christina Aguilera - 2012 Halloween Party

Christina Aguilera arrives at a Halloween Party in Beverly Hills with her knight on October 27, 2012.

Aubrey O'Day - Halloween Costume 2012

Aubrey O'Day spotted leaving a Halloween Party in Hollywood on October 28, 2012.

Kim Kardashian – 2012 Midori Green Halloween Party

Kim Kardashian attends 2nd Annual Midori Green Halloween Party on October 27, 2012 in New York City.

Olivia Munn - 8th Annual Pink Party

Actress Olivia Munn arrives at the 8th annual Pink Party hosted by Michelle Pfeiffer at HANGAR:8 on October 27, 2012 in Santa Monica, California.