Hayden Panettiere reveals her dad insisted she develop an eardrum-shattering yell, so that she could scare off potential attackers.
The former "Heroes" star says, "I'm a fireman's daughter... and he always taught me, because I'm such a small girl, that you always have to look like you have somewhere to be and someone's gonna miss you if you [don't] get there.
"He used to tell me all the time when I went to the mall with my friends, 'What do you do if somebody comes up and grabs you?' He taught me to scream, 'You're not my daddy, you're not my daddy'. So I had a lot of practice screaming, 'You're not my daddy'."
"Now it just sounds wrong... but I'm pretty good at screaming."