Young Sheldon star Raegan Revord reminds fans that she is now all grown up using a social media trend. Sheldon may be the titular character of The Big Bang Theory prequel, but over time, his family has also become a major asset for the show. That includes Missy, whose wit, charm, and sass have won the hearts of Young Sheldon's viewers.
https://screenrant.com/young-sheldon-reagan-revord-age-tiktok/