Celebrities such as Lady Gaga and Leonardo DiCaprio are investing in tech companies as they aim to conquer Silicon Valley.
We look at some of the big movers and shakers in the growing world of celebrity tech.
Will.i.am
Will.i.am has become the latest celebrity to release his own brand of technology products, with a range of iPhone accessories that go on sale this month.
His consumer electronics and app venture i.am+ includes the foto.sosho range transforms the iPhone into a 14 megapixel camera.
Lady Gaga
Lady Gaga has invested in several technology start-up companies in recent times including music sharing platform Turntable FM and celebrity social media site Backplane.
Kanye West is another celeb who has invested in Turntable FM.
Usain Bolt
Usain Bolt has put his name to another tech savy celebrity technology brand in the form of Ludacris' Soul headphones.
The Olympian has joined the increasing number of celebs to endorse audio devices.
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