After joining Twitter in 2010, she opened it in 2011 by tweeting her sister the message "@AADaddario I'll be your new stalker. Apparently on twitter they're called "followers" Love the bunny pics-love that painting! :D".
Through her famous siblings, she has earned a substantial social media following with more than 140,000 fans just on Instagram.
Like her siblings, she was born to Richard and Christina Daddario. Her grandfather on her father's side, Emilio Q. Daddario was a democratic politician from Connecticut.
She has posted photos to Instagram with Geek Charming actress Sarah Hyland while visited the Shadowhunters set.