Jim Parsons (left) looked pretty sweet when he was young! This is him as a little boy with his mother and little brother.
Here is the ever famous Jim Parsons, also known as starring character "Sheldon Cooper" from The Big Bang Theory with his husband!
Incredibly cute! This little girl is Melissa Rauch who we all know as "Bernadette Rostenkowski-Wolowitz"!
Melissa Rauch plays "Bernadette“ in The Big Bang Theory
Can you tell which cast member this cute little girl is?
... of course! It's Mayim Bialik, also known as "Amy Farrah Fowler"!
Two superstars for the price of one! Johnny Galecki and Neil Patrick Harris have previously acted together in numerous films when they were young.
Galecki became the well-known name of "Leonard Hofstadter" in The Big Bang Theory.
Can you recognize which actress is posing with her little sister here?
This cheeky smile is unmistakable: it is, of course, Kaley Cuoco! Also known at "Penny" on The Big Bang Theory.
This little tot learned to walk in Hollywood. His mother is a famous casting director and so Simon was often taken to film events from a very early age onwards...
Kunal Nayyar started his acting career at a relatively late age...
We all know Kunal Nayyar as the ever so famous "Rajesh Koothrappali"! He is here with his beautiful wife Neha Kapur.
The Big Bang Theory has captivated millions of viewers around the world since 2007.
Luckily The Big Bang Theory has been renewed for several seasons more. Thank goodness!