Cobie Smulders Poses Topless to Raise Awareness for Ovarian Cancer

'Avengers' star Cobie Smulders reveals that she was diagnosed with ovarian cancer in her mid-twenties and poses topless to help raise awareness.

She became a star on How I Met Your Mother, and now Cobie Smulders posed topless for Women's Health Magazine.

Cobie is also revealing a secret she kept for seven years. She had ovarian cancer when she was just 25 years old and she had her lymph nodes removed.

Read: Rita Wilson Reveals Her Battle with Breast Cancer

Cobie has a three-month-old son with her husband, SNL star Taran Killam.

She's posing to raise awareness of ovarian cancer which kills 14,000 women a year.

"I don't think I'll ever feel like I'm cancer-free," Cobie told the May issue of Women's Health, which is on stands now.

Watch: Angelina Jolie Reveals She Removed Her Ovaries and Fallopian Tubes, below