Katty Perry is a judge on American Idol.
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- Singer Katy Perry won a $15M mansion in Montecito after a three-year legal battle.
- The previous owner, Carl Westcott, claimed mental incapacity from Huntington's disease post-sale.
- Perry seeks damages for rental losses and repair delays.
After a three-year legal battle, pop star Katy Perry is now the official owner of a $15 million mansion in the celebrity enclave of Montecito, California...