Johnny Depp starts following Amber Heard co-star on Instagram
Jason Momoa has over 13 million followers on Johnny Depp's Instagram.
The actors are following only a handful of people including some celebrities.
Robert Downery Jr., Salma Hayek, rapper Snoop Dogg and TV show host Ellen DeGeneres were prominent among those the actor was following on the Facebook-owned app.
The Hollywood star recently began following Jason Momoa, Amber Heard's "Aquaman" co-star.