On Instagram, the Oscar winner shared more about what made her decide to sign up, saying she wanted to share the world "through images that reflect my emotions and perceptions."
"I am in awe of photography and its ability to capture and reflect this extraordinary world that we live in. I'm excited to share with you my love of nature, the arts, fashion and much more in the hopes that the images will inspire, promote conversation and bring you joy," she added.
So far, Halle is only following a handful of users -- her prestigious first follow went to Adele, while she also followed Alicia Keys, Bruno Mars, and a number of fashion brands. Her Twitter bio is a Thoreau quote, naturally.
Speaking of social media, the shadiest diva on Twitter, Bette Midler, weighed in on Justin Bieber's latest nude pic. Find out what she said in the video below.