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He famously bulked up for his role in Captain America: The First Avenger, but Chris Evans wasn't always such a looker.

During a Tuesday appearance on Late Night with Jimmy Fallon, host Jimmy Fallon surprised the 30-year-old actor with a series of embarrassing yearbook photos from Evans' childhood.

"We started drifting into the bowl cut era," Evans said, referencing his 7th grade picture. "And the clear braces were something special."

"Can you see this fantastic bead necklace that I have on? For some reason I buttoned the top button [of my denim shirt]. It's so unacceptable," he continued. "I blame my parents completely. They knew every day this kid was walking out the door and they said, 'Good luck!'"