Iain Armitage was only nine years old when we first met him on "Young Sheldon," but now he's nearly an adult, and he looks a whole lot different.

In an Instagram update, the 17-year-old actor posted photos from a get-together with Wallace Shawn, who played Dr. John ...

Iain Armitage is a young man of many talents! The Young Sheldon alum, 17, took to Instagram on Wednesday to share a fun video of himself flying on the trapeze. The actor, who played the role of child ...