Stars in Hats

HOLLYWOOD - APRIL 06: Actor Brad Pitt onstage during the taping of Idol Gives Back held at the Kodak Theatre on April 6, 2008 in Hollywood, California. (Photo by Kevin Winter/Getty Images)

Cameron Diaz leaving Los Angeles airport for Virginia where she will start her new movie 'The Box'. The movie plot is: A small wooden box arrives on the doorstep of a troubled married couple, who open it and become instantly wealthy. Little do they realize that opening the box also kills someone they do not know.Picture by: Dexter Troy / Splash News

LA JOLLA, CA - JUNE 06: Justin Timberlake laughs as he walks off the first tee during the Golf Digest U.S. Open Challenge at the Torrey Pines Golf Course on June 6, 2008 in La Jolla, California. (Photo by Scott Halleran/Getty Images)

Denise Richards enjoys shopping around in Hawaii.Picture by: Splash News

Sarah Jessica Parker attends the Sex And The City world premiere held at the Odeon Leicester Square on May 12, 2008 in London, England."Sex And The City" London Premiere - Outside ArrivalsOdeon Leicester SquareLondon, United KingdomMay 12, 2008Photo by Eamonn McCormack/WireImage.com

After promoting his new flick 'Leatherheads' in Hollywood, George Clooney was spotted arriving at his Uptown Manhattan solo.Picture by: Ahmad Elatab / Jackson Lee / Splash News

Catherine Zeta Jones and Michael Douglas seen returning to Manhattan after watching the women's final tennis matches at the US Open in New York City. They also took Michael Douglas' father Kirk Douglas and his wife.Picture by: Ronald Asadorian/ Splash News

American actor Johnny Depp smiles as he poses for photographers at his premiere of the film "Sweeney Todd: The Demon Barber Of Fleet Street" in Paris, Wednesday, Jan. 16, 2008. (AP Photo/Michel Euler)

Jennifer Lopez and Alan Greenspan Visit "Late Show with David Letterman" - October 9, 2007Ed Sullivan TheatreNew York City, New York United StatesOctober 9, 2007Photo by Brian Ach/WireImage.com

Jessica Simpson is all smiles as she leaves her NYC hotel.Picture by: St. Clair / Ambler / Splash News