Prepare to have your minds blown, J-14ers — today is Sean Flynn from Zoey 101's 25th birthday! The actor who we've all grown to know and love as Chase Matthews, the boy who has a secret crush on Zoey, has totally grown up (just wait until you see what he looks like now).

Click through to see what Sean and the rest of the cast of Zoey 101 is up to now, then let us know who you think looks the most different in the comments below. Do you miss the show?

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