Stepping out in L.A., Crow says, "I'm just living life." Plus: Brad, Demi and more

SUNNY OUTLOOK

Sheryl Crow, at a Rock and Republic fashion show Monday in Culver City, Calif., doesn't let the rain dampen her spirits. "I'm really dedicating my life right now to getting back on my feet," the singer, recently treated for breast cancer, told PEOPLE. "I'm like a walking poster child for mammograms, and I'm just living life."