Steven Tyler's daughter opened up about how she found out the rockstar was her biological father in a new interview. Liv Tyler also recalled meeting her sister for the first time.

The two, who share father Steven Tyler, said meeting one another was “literally like looking in the mirror, seeing your double.”

Liv Tyler has opened up about the 'shock' she experienced when she learnt Aerosmith legend Steven Tyler was her dad. Actress Liv Tyler was born in 1977 and raised by her mum, Bebe Buell, and musician Todd Rundgren, whom Buell dated between 1972 and 1978. For the first decade of her life, Liv believed that Rundgren was her father.