Teen queen Miley Cyrus says she was bitten by the performance bug watching her "Achy Breaky Heart" singer-turned-actor father Billy Ray Cyrus on the set of his show "Doc." Now a little show called "Hannah Montana" and four albums later, she's ranked number 13 on Forbes' list of the world's most powerful celebs. Bryan Bedder/GettyImages.com - April 8, 2009
Rock Star Heirs
See the famous kids of musicians who've gone on to be models, actors, singers, designers, and humanitarians.