Pictures Celebrities In Their 40s January 22, 2011 / 9:57 AM EST / CBS News (Photo by John Shearer/Getty Images) Ashley Judd (Photo by Alberto E. Rodriguez/Getty Images) Matt Damon (Photo by Jemal Countess/Getty Images) Maria Bello (Photo by Toby Canham/Getty Images) Catherine Zeta-Jones (Photo by Jim Spellman/WireImage) Courteney Cox (Photo by Gregg DeGuire/FilmMagic) Halle Berry (Photo by Astrid Stawiarz/Getty Images) Heather Locklear (Photo by Jon Kopaloff/FilmMagic) Javier Bardem (Photo by Carlos Alvarez/Getty Images) Jon Bon Jovi (Photo Credit: JOERG CARSTENSEN/AFP/Getty Images) Julia Ormond (Photo by David Livingston/Getty Images) Julia Roberts (Photo by Ben Gabbe/Getty Images) Sarah Jessica Parker (Photo by Stephen Lovekin/Getty Images) Salma Hayek (Photo by Michael Buckner/Getty Images for DTFF) Demi Moore (Photo by Frazer Harrison/Getty Images) Tina Fey (Photo by Slaven Vlasic/Getty Images) Sheryl Crow (Photo by Jason Merritt/Getty Images for DCP) Jennifer Beals (Photo by Frazer Harrison/Getty Images) Brooke Shields Credit: AP Robin Wright (Photo by Alberto E. Rodriguez/Getty Images) Will Smith (Photo by Antony Jones/UK Press via Getty Images) Nicole Kidman Credit: AP Actor Brad Pitt (Photo credit:FREDERIC J. BROWN/AFP/Getty Images) Brad Pitt — 46 The actor and humanitarian was born on Dec. 18, 1963. Jennifer Aniston (Photo by Christopher Polk/Getty Images for PCA) Matthew McConaughey Matthew McConaughey — 41 The actor was born on Nov. 4, 1969. (Photo credit: VALERY HACHE/AFP/GettyImages)