People think they know their favorite celebrities. They don't.

Here are 5 facts that will genuinely make you question everything:

1. Keanu Reeves gave away most of his Matrix salary to the special effects and costume teams.

Not a PR stunt. Not a tax move. He just did it.

2. Steve Buscemi was a NYC firefighter before becoming an actor — and went back to help after 9/11. No cameras, no press release.

3. Megan Fox has a phobia of dry paper. She refuses to handle dry paper. At restaurants, she wets napkins before touching them.

4. Shaquille O'Neal never had a shoe deal until Nike — because his feet were too big (size 23) for any company to bother making prototypes.

5. Lady Gaga's "Gaga" came from a Queen song called Radio Ga Ga. Her real name is Stefani.

This is what we do at Famous & Weird every week — the facts that tabloids skip because they're too busy with drama.

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