Grimes Shares Adorable Video of 10-Month-Old Son X AE A-Xii Playing on a Synthesizer: 'You're So Smart'

Grimes and Elon Musk's baby boy is turning out to be quite the musician!. On Wednesday, Grimes (born Claire Boucher) shared an adorable video of their 10-month-old son X AE A-Xii playing with a portable synthesizer on her Instagram Stories. "Omg this solo," the singer, 33, wrote in the caption,...