25/32
Instagram
Ike Barinholtz
Before the funny man was a star, he was "balling."
26/32
Instagram
Alison Brie
As the Glow star put it, "Challenge accepted!"
27/32
Instagram
Clark Gregg
"Any excuse to share the moment this curtain supporting beast was unleashed ‘pon da laaaadieees," the actor joked.
28/32
Twitter
John Mulaney
Intentionally or not, the youngster showed his comedic timing early on.
29/32
Instagram
Amy Sedaris
This young lady grew up to become a big—and funny—star.
30/32
Instagram
Aidy Bryant
The SNL funny lady was just a smiling student back in the day.
31/32
Instagram
Andrew Rannells
In years, this kid became a Broadway regular.
32/32
Instagram
Topher Grace
This youngster grew up to become a Hollywood leading man.