Steven Tyler: Rock-a-Bye Baby

Posted Sep 25th 2007 12:17PM by TMZ Staff

Aersomith frontthing Steven Tyler simultaneously serenaded his daughter Liv -- and frightened grandson Milo -- during a concert in Toronto. Grandpa looks like a lady!

While Milo wore pink headphones to shield him from the 59-year-old alta cocker rocker, Mama Liv endured the performance earplug-free! Livin' on the edge!