She says, "He knows, like, every single word to every Queen song. He'll sit in the back of the car and he mouths along with a real passion.
"He knows every word to Bohemian Rhapsody, to the point that the other night I woke him up in the middle of the night to go to the bathroom, just in case, and he sat upright in bed and said, 'Beelzebub has a devil put aside for me...' and then he, like, laid back down and went back to sleep."
Milo, six, has quite the rock background - as well as being Steven Tyler's grandson he is the son of British rocker Royston Langdon.