LOS ANGELES: Katy Perry has amassed millions of fans around the world, but her failure to win over two elderly nuns is creating controversy.

The pop singer wants to turn a former convent into her home. The sprawling hillside Italianate complex valued at $15 million i the hip Los Angeles neighborhood of Silver Lake.

But two nuns are having none of it. In the latest legal salvo, the two sisters challenged the authority of the archdiocese to sell the property.