Celebrities are subject to scrutiny to the point where a few skeletons are bound to fall out of their closest. Everyone has a past, everyone has secrets, everyone has things in their life that they might not necessarily be proud of.

Here's a compilation of such open secrets about celebrities, some of which will definitely leave you dizzy:

1. Jack Nicholson's sister is his mother. The woman he knew to be his mother is his grand-mother.

Source: thepotato

2. Tobey Maguire's father is a convicted bank robber. Oh Spiderman!

Source: bhmpics

3. Woody Allen married his stepdaughter. Seriously!

Source: Wikimedia

4. Charlize Theron watched her mother kill her father to protect her two daughters.

Source: gentside

5. Jack Black's parents were rocket-scientists. His mother worked on the Hubble Telescope!

Source: fanpop

6. Tim Allen was a drug dealer early on in his career as a standup.

Source: Huffington Post

7. 'Ivan Drago' in fact has a Bachelor's and a Master's in Chemical Engineering and won a Fullbright Scholarship to get a PhD from MIT.

Source: Kulturverk

8. One of Brad Pitt's first acting assignments was to dress up as a chicken and hand out flyers for the restaurants El Pollo Loco.

Source: Richardcrouse

9. Stephen Hawking is the only person to play himself on Star Trek, when his hologram appeared.

Source: Zmescience

10. Quentin Tarantino's first two jobs were in the porn industry.

Source: bet

11. Eminem went into a coma, after being beaten up by school bullies.

Source: Youtube

12. Alfred Hitchcock tried to buy all the copies of 'Psycho' so that no one would find out about how it ends.

Source: Anglotopia

13. Family-Guy creator Seth McFarlane barely missed a flight which turned out was the first plane to hit the WTC on 9/11.

Source: bluemind

14. Rowan Atkinson has an MSc in Electrical Engineering!

Source: Feelgrafix

15. Harrison Ford is an expert Helicopter Pilot. He's overseen rescue missions in Haiti, flown Olympians to their events, rescued a 13-year old Boy Scout from the mountain of Idaho. Real-life Han Solo!

Source: Werunthings

16. Samuel L Jackson was a militant member of the Black Power movement, where he participated in kidnappings + gun wielding.

Source: feelgrafix

17. Audrey Hepburn was a UN Goodwill Ambassador (way before it was popular) and an agent for the Dutch resistance against the Nazis during World War II.

Source: gentside

Wow! That was a blow.