Celebrities turned real-life heroes

Published On: Jan 20 2012 10:58:55 AM CST   Updated On: Sep 30 2014 09:46:02 PM CDT

Mike Tyson is the latest in a long list of celebrities who have acted heroically outside the spotlight. Here are some of the other celebrity turned real-life heroes.

Heroes - Demi Moore
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Jason Merritt/Getty Images for LACMA

On two different occasions, Demi Moore has used her high-profile Twitter account to help authorities locate people who had posted suicide messages on Twitter.

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