At the time, Caleb had 15.4 million Instagram followers, while his peers were millions ahead of him; Gaten had 18.7M, Finn had 26.3M, Noah had 27.6M, and Millie had 58.5M. Four years later, Caleb’s Instagram following has only increased by about 100,000, while some cast members have seen a huge increase in their social media following — like Millie, who now has over 72 million IG followers.