Liv Tyler , 48, didn't find out she was the daughter of rockstar and Aerosmith frontman , Steven Tyler , until she was 11-years-old. Before her mom, Bebe Buell , took Liv to an Aerosmith concert, the Lord of the Rings actress believed her dad was pop rock singer Todd Rundgren . Liv recalled while appearing on Kate Hudson 's Sibling Revelry podcast : "I looked at my mom, and I was like, 'Mom?' And she just started crying. My mom just, like, fell. And I was like, 'Is Steven my dad?' And she just burst [into tears]." After finding out her true lineage, Liv and Steven started their relationship as father and daughter. Here's everything the actress has said about her rockstar dad.

Steven is like a "unicorn"

© Corbis via Getty Images Steven once said that Liv was "the bi

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