Britney Spears has now staked a more nobel claim to fame. The beloved pop icon reportedly donated over $1 million to the Nevada Childhood Cancer Foundation with funds raised on her “Piece of Me” tour in 2013. style=”display:inline-block;width:300px;height:250px” data-ad-client=”ca-pub-8420654331411867″ data-ad-slot=”1313712966″> Set to open in the coming months, the 16,000 square foot facility will provide over 45…