Grimes is legally selling a part of her soul in an auction.
The 32-year-old singer - who welcomed her and Elon Musk's son X Æ A-Xii earlier this month - has put up a legal document for sale as part of her online art exhibition, with bids starting at $16 million (US dollar 10 million) to own a piece of her soul.
She explained: "I didn't want anyone to buy it, so I said we should just make it $10 million and then it probably won't sell.
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"The deeper we got with it, the more philosophically interesting it became. Also, I really wanted to collaborate with my lawyer on art. The idea of fantastical art in the form of legal documents just seems very intriguing to me."