While the star of "Young Sheldon," Iain Armitage, has undergone a significant change since the show's pilot, his on-screen sister, Raegan Revord, also shares the same growth. After getting her ...

You likely know Raegan Revord from her breakout role as Missy Cooper, the snarky twin sister of Sheldon Cooper (Iain Armitage) on seven seasons of the CBS hit Young Sheldon. What you may not know ...

Raegan Revord is still keeping up with her Young Sheldon castmates! The actress, 16, tells PEOPLE that even following the CBS hit’s series finale in May, she still keeps in touch with many of ...

But the cast of "Young Sheldon" takes the cake on an incredible evolution since Season 1. Raegan Revord, who played Missy Cooper on the CBS hit sitcom, is particularly growing up in warp speed.