Singer Chloe Lattanzi opened up about her childhood on MTV reality show Rock The Cradle, which sees unknown offspring of already-successful musicians compete to become stars in their own right.
Lattanzi, 22, said she "spent a lot of time alone in big houses" while the Grease star was on tour, saying: "My mum travelled a lot, so I think I missed out a lot when I was younger.
"I suffered from anorexia and that has been the darkest time in my life."
Lattanzi faces competition from the children of Dee Snider, Kenny Loggins, Bobby Brown, MC Hammer, Joe Walsh, Doobie Brothers singer Tom Johnston and R&B star Al B. Sure!
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