The weirdest hobbies and habits of celebs

Katy Perry's strange obsession with brushing her teeth has been covered in several national and international media. According to 'Daily Star,' the artist can brush her teeth up to six times a day. She always carries a handful of toothbrushes with her. Supposedly her obsession arose in her childhood, after having up to 13 cavities.

Harpers Bazaar revealed that Tom Hanks is the owner of a collection of over two hundred antique typewriters. It's a little obsession of his to buy more and more of them.

The same magazine reports that Leonardo DiCaprio cannot stop buying Star Wars figures because he is a big fan of the series.

Sofia Vergara has always been open about her love for food. She says she cannot limit herself, especially when it comes to cupcakes. The actress revealed that she even submitted herself to hypnosis therapy to get rid of her strange urge to eat cake all the time.

Shakira has told Europa Press that she was addicted to chocolate. She even said she had trouble sleeping during the recording of her video clip 'Wolf,' because she was on a diet at that time. She recalls waking up at night crying because she couldn't have her favorite temptation. As soon as the recording was over, she ate 5 chocolate bars at once.

She didn't really need to, but Avril Lavigne has confessed that she is obsessed with eyeliner. She says that she could reapply the makeup every half hour if no one stopped her.

Several media have pointed out Cheryl Cole's strange taste for carrot juice. Allegedly, the actress can consume more than 5 glasses of carrot juice a day.

The newspaper 'El Mundo' claims that Jesse Eisenberg suffers from a strange obsession with stray cats. He cannot leave them on the street and always brings them into his home. However, the actor confessed, he realized over time that he could not take care of all of them, so he has been giving them up for adoption one by one.

The stars are fond of video games. Christina Applegate once spent so much time playing Guitar Hero that she suffered from a headache for several days afterwards.

Several male stars are on the list of gaming fans: Zac Efron, Matthew Perry and Vin Diesel. They can get really hung up on a video game.

But there are also plenty of women in Showbiz addicted to gaming. Among them are Anna Kendrick, Mila Kunis, Cameron Diaz, and Kim Kardashian.

A particular case of destructive gaming habits is that of actor Henry Cavill. The 'Witcher' star can get really lost in a session of World of Warcraft. GQ Magazine reports that Cavill nearly lost the opportunity to play 'Superman' because he was in full gaming mode when director Zack Snyder called him about it.

Angelina Jolie and Gal Gadot are two Hollywood actresses who have told the press that they are fixated on experiencing a rush of adrenaline. They always look for adventure films and daring characters for which they can do the action scenes themselves.

Jennifer Lopez is a fan of the color white. You can see it in the tone of her house, her dressing room, and the places she goes for work. They are always painted and decorated in that color.

Gwyneth Paltrow has disclosed that she's obsessed with the macrobiotic diet. She also drinks remarkable quantities of green tea, AccessOnline reports.