News Elon Musk Posts Photo of Amber Heard as Mera in 'Aquaman' By Jennifer Drysdale 3:54 PM PDT, May 18, 2017 Instagram Elon Musk is proud of his girl! Though the two have yet to publicly confirm their romance, the tech billionaire took to Instagram on Thursday to share a pic of Heard in character as Mera from the upcoming movie, Aquaman. WATCH: Amber Heard and Elon Musk Hold Hands on First Public Outing -- See the Pic!"@AmberHeard as Queen of Atlantis," Musk wrote alongside the photo, which was first posted by director James Wan. EXCLUSIVE: Amber Heard Confirms Her 'Aquaman' Role in 'Justice League', Dishes on 'Interesting' Mera CostumeA source told ET last month that Musk and Heard had been dating for "a while" after meeting "a few years back while Amber was with Johnny [Depp] and [they] were strictly friends.""Elon is very attentive to Amber, which is something she looks for in a partner," the source said. See more in the video below.EXCLUSIVE: Inside Amber Heard and Elon Musk's Romance, Source Says He's 'Very Attentive' to Her This video is unavailable because we were unable to load a message from our sponsors. If you are using ad-blocking software, please disable it and reload the page.