Grimes attempted to change her and Elon Musk's daughter name to a symbol, but the government refused to recognize it.Responding to a fan's inquiry, Grimes shared that her daughter has been given a new name similar to the nickname she had first announced for her.Grimes confirmed on Twitter that her daughter is now called "Y," "Why?" or just "?" despite the government not recognizing the symbol.The new name represents the value of curiosity and the eternal question, according to Grimes.