Ashton Kutcher, Popchip Culture Czar

Ashton Kutcher isn't just a fan of Popchips. He loves the brand so much he has just acquired a minority stake in the company, and will oversee the San Francisco-based firm's social-marketing efforts as its first ever "president of pop culture." One thing he won't do — appear in Popchips ads.

"Listen, I'm going to eat these chips anyway," the socialy media-savvy actor (who boasts 5 million-plus Twitter followers) tells the Wall Street Journal. "If I can, why not actually own a piece of the company? As my image is being leveraged, I am participating in the upside."

The move echoes Polaroid's "hiring" of Lady Gaga in January as its creative director, a partnership (she similarly acquired an undislosed minority stake) that led to a meeting in April but not much (yet) beyond that.

As the Journal notes, Sarah Jessica Parker was recently named chief creative officer of Halston, where she will design its secondary line, after a stint as guest designer for Steve and Barry ended with the chain's bankruptcy; Ellen DeGeneres "took an estimated 15% stake" in Halo Purely for Pets in 2008; and rapper 50 Cent acquired a stake in Energy Brands Inc., maker of the Glaceau line of waters, including Vitaminwater.