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Kim Kardashian - Kim K's self-proclaimed addiction is junk food, although it obviously doesn't show in her physic. She has said that she's partial to eating deep-fried Oreos.

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Beyoncé - At one point, Beyoncé used to play a lot of online games. Whether it was an addiction is unknown, but she used to play card games online, loving how she was anonymous. Her favorite was poker.

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Jennifer Anniston - Anniston has seemed to hold onto the shape of her 21-year-old self, which may be down to all the yoga she does. She became addicted to it, saying that, “You start to crave it. You know, you start to actually crave that adrenaline.”

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Katy Perry -

Katy Perry loves a good facial treatment. She used to have acne, which may be the inspiration for taking such good care of her skin by regularly attending a spa.

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Rihanna -

Rihanna is an artist, so it's no wonder she appreciates art. She splashes out on art big time. An addiction? Who knows! Can someone be addicted to art?

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Rihanna -

Rihanna is also allegedly addicted to tattoos. In her defense, they say once anyone gets their first tattoo that they're immediately addicted.

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Cameron Diaz -

Diaz was introduced to golf by her ex-boyfriend, Justin Timberlake. Speaking about it, she said that she hadn't played it in a while because "it's like crack cocaine to (her)."

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Michelle Williams -

For Michelle Williams, it's not the mobile phone notifications that give her a dopamine hit–it's email. The actress even tried to curb her addiction by letter writing instead, but it didn't work.

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Nicole Kidman - Kidman's addiction is old-fashioned, cute, and pretty innocent. It's cake. She tries to keep her cake eating to three or four nights a week.

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Matthew McConaughey -

It's all about fitness for Matthew McConaughey. He works out all the time, and is often running marathons and triathlons.

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Robert Pattinson -

If you weren't weak for Pattinson before, this ought to do the trick. Pattinson has admitted that he's addicted to British TV Sunday night favorite 'The Antiques Roadshow.'

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Robert Pattinson -

Pattinson also said in an interview that he's addicted to Diet Coke and Cinnamon Toast Crunch. He was once taking out his trash and found something like 300 empty cans of Diet Coke!

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Hillary Clinton -

The politician is big into spicy food (which is actually scientifically proven to be addictive). According to a former aide, she scoffs down jalapeños all day long.

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Emma Watson - Emma Watson puts us to shame with her addiction: learning. Watson says, “I just love learning. I’m, like, addicted to learning. I just want to know as much as I possibly can. It’s never enough for me. And I’ll never stop. I just really love knowledge. Addicted!”

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Ozzy Osbourne -

The "Prince of Darkness," who once bit a bat's head off its body on stage, is addicted to sugar puffs!

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Avril Lavigne -

Avril Lavigne said that she was addicted to eyeliner for a long time, particularly the black stuff, saying, “The thing that I’m most addicted to is black eyeliner. It’s been my obsession for years.”

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Simon Cowell -

Music industry mogul Simon Cowell is addicted to Angel Delight, a powdered dessert product from the UK. According to a former girlfriend, he would go through several packets in a day. One pack is supposed to serve four people!

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Ben Affleck - If Affleck's acting career ever failed, he would always have something to fall back on: gambling. He's pretty good at it. Before marrying Jennifer Garner, he would frequently take part in tournaments, winning up to US$356,000 in one game.

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Paris Hilton -

Back in 2007, Paris Hilton said that she got "addicted" to skydiving. She found it really thrilling.

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Paris Hilton -

Another addiction of Paris Hilton's was tanning. She allegedly was really into tanning beds and spray tanning awhile back. She truly was the golden girl!

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Jessica Simpson -

Singer Jessica Simpson was addicted to nicotine gum even though she never smoked. She recalled the first time she chewed it, saying that it made her talk really fast and gave her the energy of three Red Bulls.

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Jack Black -

Jack Black used to be addicted to smoking and video games, but now he's just addicted to iced green tea!

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Anna Kendrick -

Actress Anna Kendrick admitted that she was addicted to the mobile game 'Angry Birds,' saying that: "It’s disgusting how much I play that game.”

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Warren Buffett - The billionaire businessman drinks five cans of Diet Coke every day, which might not seem too crazy, but it is a lot for his age.

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Heidi Montag - 'The Hills' star admitted to being addicted to plastic surgery, saying "for the past three years, I've thought about what to have done. I'm beyond obsessed."

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Stephen King -

The writer seems to be in good shape and health, despite eating cheesecake every time he sits down to write!

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Cheryl -

With all that cash, the 'X Factor' judge probably has one of the healthiest addictions of any celebrity out there. Carrot juice is her vice of choice.

Sources: (Glamour)

See also: Celebrities with quirky body parts

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