Since the time that the iPhone has been released as a smartphone made by Apple Inc. it became the trending gadget of many people, including most popular celebrities. Maybe some of them are even looking forward too for the release of the iPhone 5.

Here we feature celebrities in the music and Hollywood industry who enjoy carrying their very own iPhones with them to reach out to their fans and keep in touch with the rest of the world.

They are usually discovered to be iPhone users through the gadget locator or identifier in their social networking accounts, especially in Twitter and Facebook.

Arnold Schwarzenegger may have found his iPhone useful as he works not just as an actor but also as a politician. He usually tweets things and topics that he is 'pumped up' for as he literally says it.

Justin Bieber probably enjoys the musical features and apps offered in iPhone as he uses it to tweet his planking antics.

Classic actor Danny DeVito dribbles humorous one liners over at Twitter with his own iPhone. On the other hand, country pop singer Taylor Swift uses her iPhone for announcing to fans most of her tour and concert schedules.

Even basketball icon, Shaquille O'Neal, uses an iPhone to tweet about some game strategies with fellow teammates.

You can check out the slideshow for more celebrities and other icons who are fond of using no other mobile device but the iPhone!

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