Given that America's entertainment and tech capitals are located in the same state, it's no wonder that the two very different worlds of Hollywood and Silicon Valley have taken an interest in one another. And while it isn't rare for famous entertainers to get involved with start-ups in some capacity, only a handful have really made noteworthy contributions—whether in the form of a large one-time investment or through a series of multiple strategic deals. Click through to see some of the biggest investments celebrities have made to date.
—Posted 13 August 2015
By Laura Montini and Graham Winfrey