Nicole flags off

Nicole Kidman helps kick off March For Babies at Centennial Park in Nashville, Tenn. The event raised money to support programs that help moms have healthy, full-term pregnancies.

Nicole Kidman helps kick off March For Babies at Centennial Park in Nashville, Tenn.

The event raised money to support programs that help moms have healthy, full-term pregnancies.

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And it funds research to find answers to the serious problems that threaten babies."

To all of the volunteers and all of the people who work so timelessly,

I know everyone here is grateful to you and hopefully more and more money can be raised so more and more good work can be done," the 41-year-old Aussie actress said.