Age-Defying Celebrities

(Photo by Getty Images, Pacific Coast News)

Halle Berry celebrates her 45th birthday with her three year daughter Nahla and family and friends at her beach house in Malibu.

Actress Heather Locklear (L) and Ava Sambora arrive at the premiere of Paramount Pictures' "Justin Bieber: Never Say Never" held at Nokia Theater L.A. Live on February 8, 2011 in Los Angeles, California.

Actress Demi Moore at the 2011 A&E Television Networks Upfront Presentation at the IAC Building in New York City, NY.

In this handout photo provided by Sony Pictures Entertainment George Clooney attends "The Ides of March" photocall at Summer of Sony 3 on July 10, 2011 in Cancun, Mexico.

Actress Sharon Stone attends the AMPAS and the United States Postal honoring of Gregory Peck with A First-Day-Of-Issue Dedication Ceremony at the Academy of Motion Pictures Arts and Sciences on April 28, 2011 in Beverly Hills, California.

Actor Brad Pitt arrives at premiere of Fox Searchlight Pictures' "The Tree of Life" at Bing Theatre at the Los Angeles County Museum of Art on May 24, 2011 in Los Angeles, California.

Actress Dame Helen Mirren attends the Hollywood Bowl 2011 Hall of Fame Ceremony on June 17, 2011 in Hollywood, California.

Actress Michelle Pfeiffer presents the Desert Palm Achievement award onstage at the 2010 Palm Springs International Film Festival gala held at the Palm Springs Convention Center on January 5, 2010 in Palm Springs, California.