40 and More Fab Than Ever!

Jennifer! Julia! Gwen! These stars just keep getting better

  • FAITH HILL, 42 photo | Faith Hill

Credit: Time Life Pictures/Getty; Jason Merritt/Getty

Updated: Friday Aug 13, 2010 | 05:00 PM EDT By: Christie LaRusso

FAITH HILL, 42

The First Lady of Country started off her 40s with a bang – or should we say a bikini? – posing in a swimsuit for the December 2008 cover of Shape. "It was so hard, but ultimately so worth it," Hill says of the fitness regime behind her ab-tastic form. "Wearing a bikini on a magazine cover is my 41st birthday present to myself." Her exercise of choice? Pilates. "I could bend in ways I haven't been able to since I was a teenager," she says. "My husband loves it!"