At the height of her career, Sheryl Crow was diagnosed with breast cancer, despite having been dedicated to health and fitness, and having no family history of the disease. She survived thanks to a mammogram that detected the cancer in its early stages. She has since become the ultimate advocate for breast cancer prevention and routine mammograms. Here, the rock star tells her story and shares how beating breast cancer has changed her life.

Click here to watch Part 1.

Click here to watch a web exclusive video of Sheryl Crow answering audience questions on music, meditation, motherhood and more.

Want to know how to look marvelous without splurging so much? Dr. Oz invites three beauty experts to share the smartest ways to save money while looking fabulous starting from your hair and makeup tools to the beauty products you use.