Elon Musk unfollowed Grimes on Twitter again

· Tesla CEO Elon Musk has unfollowed Grimes on Twitter for no obvious reason, prompting tongue-in-cheek breakup speculation.
· The South African-born entrepreneur has been dating the Canadian singer since at least May 2018, when they appeared together on the Met Gala red carpet.
· Earlier in March, Grimes confirmed she was...