We’re already addicted and we haven’t even seen it yet.  Of course, we’re talking about the newest MTV reality show “Rock the Cradle.” The show is about wannabe musicians whose parents’ just happen to be super famous rockers themselves.  Which got us thinking - fame is definitely inherited (hello, Shiloh!), but is talent? Check out some of these A-list family dynasties and tell us what you think: -Aaron Spelling was a mega-producer who hooked daddy’s little girl, Tori Spelling, up with all her early acting gigs. -Drew Barrymore hails from a long, long, long line of actors, including dad John and a bunch of other relatives named John.  (Seriously, the family…

[Read full story on Dotspotter]