Britney Spears can’t stop chewing her nails.

One of Beck’s OCD traits: he has to have everything in pairs in the fridge.

Eminem can only sleep well in pitch black bedrooms.

Strawberries for breakfast: in order to keep her teeth white, Catherina Zeta Jones only uses strawberry toothpaste.

Bill Gates can’t go to sleep without reading in bed for a while.

Arianna Huffington has banned all eletronic devices from her bedroom after her burn-out.

Steve Jobs used to eat so many carrots that his skin turned slightly orange for a while.

Being a bit of a night-owl, Barack Obama believes that good things can happen after 2 AM.

Cameron Diaz mostly opens doors with her elbows instead of her hands.

Apparently, Jennifer Aniston can only feel safe if she enters a plane with her right foot first.

Demi Moore is crazy about bloodsucking leeches. They are used to detox her body.

Katy Perry brushes her teeth about six times a day. Good effort.

Although she’s never smoked, Jessica Simpson is addicted to nicotine chewing gum

Three days a week, Mariah Carey only eats purple foods such as egg plants or grapes.

Megan Fox has to listen to Britney Spears on plane flights or else she’d feel unsafe.

Paris Hilton believes in the ‘knocking on wood’ superstition.

Simon Cowell performs some serious tree climbing each and every day.

Pamela Anderson is anxious of looking in mirrors.

If he gets bored, Johnny Depp likes playing with Barbies.