She's famous because Disney took another celebrity child, dolled her up like a young prostitute, flaunted her in front of little girls who aspire to do something great with their lives, and gave her a microphone. Then they did some audio-engineering magic to make her sound better than she really does, and she became an instant success, causing young girls all over the US to now want to dress like little prostitutes just to be more like her in hopes of becoming rich and famous.