Most Beautiful 2008

Beautiful at Every Age

From Rihanna (at 20) to Michelle Pfeiffer (50 and fabulous!), these stars prove that real beauty is timeless. By Karen J. Quan

KATE WALSH, 40

Birthdate: Oct. 13, 1967
Hometown: San Jose, Calif.
Love Line: Married film executive Alex Young in September 2007
Milestones: She turned a five-episode role on Grey's Anatomy into her own spinoff series, Private Practice.